Physics One Liner 100 + 5 extra
What is Newton's First Law of Motion? Answer: An object at rest tends to stay at rest, and an object in motion tends to stay in motion with the same speed and in the same direction unless acted upon by an external force.
What is Newton's Second Law of Motion? Answer: The force acting on an object is equal to the mass of the object multiplied by its acceleration.
What is Newton's Third Law of Motion? Answer: For every action, there is an equal and opposite reaction.
What is work in physics? Answer: Work is the transfer of energy that occurs when a force is applied over a distance.
What are the different forms of energy? Answer: Kinetic energy, potential energy, thermal energy, electrical energy, and chemical energy are some examples of different forms of energy.
Define power. Answer: Power is the rate at which work is done or energy is transferred.
What is the Law of Universal Gravitation? Answer: Every particle in the universe attracts every other particle with a force directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
What is the acceleration due to gravity near the surface of the Earth? Answer: The acceleration due to gravity near the surface of the Earth is approximately 9.8 m/s².
What is projectile motion? Answer: Projectile motion is the motion of an object projected into the air, subject to the force of gravity and no other horizontal forces.
Define range in projectile motion. Answer: Range is the horizontal distance covered by a projectile before it hits the ground.
What is the maximum height in projectile motion? Answer: The maximum height is the highest point reached by a projectile in its trajectory.
What is the unit of force in the SI system? Answer: The unit of force in the SI system is the Newton (N).
How can you calculate work done by a force? Answer: Work done by a force is calculated by multiplying the force applied by the displacement in the direction of the force.
What is the unit of work and energy in the SI system? Answer: The unit of work and energy in the SI system is the Joule (J).
What is the formula for kinetic energy? Answer: The formula for kinetic energy is KE = 0.5 * mass * velocity^2.
What is the formula for potential energy? Answer: The formula for potential energy is PE = mass * acceleration due to gravity * height.
What is the principle of conservation of energy? Answer: The principle of conservation of energy states that energy cannot be created or destroyed, only converted from one form to another.
What is the relationship between work, power, and time? Answer: Power is equal to the work done divided by the time taken.
What is the formula for gravitational force? Answer: The formula for gravitational force is F = (G * m1 * m2) / r^2, where G is the gravitational constant, m1 and m2 are the masses, and r is the distance between the masses.
What is the weight of an object? Answer: Weight is the force exerted on an object due to gravity and is equal to the mass of the object multiplied by the acceleration due to gravity.
What happens to the motion of an object if the net force acting on it is zero? Answer: If the net force acting on an object is zero, the object will remain in a state of rest or continue moving at a constant velocity.
What is inertia? Answer: Inertia is the tendency of an object to resist any change in its state of motion.
What is the relationship between mass and inertia? Answer: Mass is a measure of the inertia of an object. The greater the mass, the greater the inertia.
What is the formula for Newton's second law of motion? Answer: The formula for Newton's second law of motion is F = m * a, where F is the force applied to an object, m is the mass of the object, and a is the acceleration produced.
What is the difference between mass and weight? Answer: Mass is the amount of matter in an object, while weight is the force exerted on an object due to gravity.
What is the unit of acceleration? Answer: The unit of acceleration is meters per second squared (m/s²).
What is the relationship between force, mass, and acceleration? Answer: Force is equal to the product of mass and acceleration, according to Newton's second law of motion.
What is the principle of equilibrium? Answer: The principle of equilibrium states that an object is in equilibrium when the net force acting on it is zero.
How can you calculate the net force acting on an object? Answer: The net force acting on an object can be calculated by summing up all the individual forces acting on it.
What is the difference between distance and displacement? Answer: Distance is the total length of the path traveled, while displacement is the change in position from the starting point to the endpoint.
What is the formula for calculating average speed? Answer: The formula for average speed is speed = distance / time.
What is the difference between speed and velocity? Answer: Speed is a scalar quantity that represents the rate of change of distance, while velocity is a vector quantity that represents the rate of change of displacement.
What is the formula for calculating average velocity? Answer: The formula for average velocity is velocity = displacement / time.
What is the difference between balanced and unbalanced forces? Answer: Balanced forces result in no change in motion, while unbalanced forces cause acceleration or deceleration.
What is the principle of action-reaction? Answer: The principle of action-reaction states that for every action force, there is an equal and opposite reaction force.
What is the relationship between force and acceleration in circular motion? Answer: In circular motion, the force is directed towards the center of the circle and is responsible for the object's centripetal acceleration.
What is the centripetal force? Answer: The centripetal force is the inward force that keeps an object moving in a circular path.
What is the relationship between velocity and acceleration? Answer: Velocity is the rate of change of displacement, while acceleration is the rate of change of velocity.
What is the difference between static and kinetic friction? Answer: Static friction acts on objects at rest, while kinetic friction acts on objects in motion.
What is the coefficient of friction? Answer: The coefficient of friction is a value that represents the interaction between two surfaces and determines the amount of friction between them.
What is the principle of conservation of linear momentum? Answer: The principle of conservation of linear momentum states that the total momentum of a system remains constant if no external forces act on it.
What is the formula for calculating momentum? Answer: The formula for momentum is momentum = mass * velocity.
What is the impulse-momentum theorem? Answer: The impulse-momentum theorem states that the change in momentum of an object is equal to the impulse applied to it.
What is an elastic collision? Answer: An elastic collision is a collision in which both momentum and kinetic energy are conserved.
What is an inelastic collision? Answer: An inelastic collision is a collision in which momentum is conserved, but kinetic energy is not conserved.
What is the principle of conservation of energy in the context of collisions? Answer: The principle of conservation of energy states that the total energy of a system remains constant before and after a collision.
What is the difference between speed and velocity? Answer: Speed is a scalar quantity that represents the rate of change of distance, while velocity is a vector quantity that represents the rate of change of displacement.
What is the formula for calculating acceleration? Answer: The formula for acceleration is acceleration = change in velocity / time.
What is the relationship between force and motion? Answer: Force causes a change in motion, such as acceleration or deceleration.
What is the difference between linear motion and rotational motion? Answer: Linear motion refers to motion in a straight line, while rotational motion refers to motion around an axis.
What is the difference between speed and velocity? Answer: Speed is a scalar quantity that represents the rate of change of distance, while velocity is a vector quantity that represents the rate of change of displacement.
What is the principle of conservation of angular momentum? Answer: The principle of conservation of angular momentum states that the total angular momentum of a system remains constant if no external torques act on it.
What is torque? Answer: Torque is a measure of the tendency of a force to cause rotational motion and is calculated as the product of force and the perpendicular distance from the axis of rotation.
What is the relationship between torque, force, and lever arm? Answer: Torque is equal to the product of force and lever arm (perpendicular distance from the axis of rotation).
What is the formula for calculating rotational motion? Answer: The formula for rotational motion is torque = moment of inertia * angular acceleration.
What is the moment of inertia? Answer: The moment of inertia is a measure of an object's resistance to changes in its rotational motion.
What is angular acceleration? Answer: Angular acceleration is the rate at which an object's angular velocity changes over time.
What is rotational equilibrium? Answer: Rotational equilibrium occurs when the net torque acting on an object is zero, resulting in no rotational acceleration.
What is the center of gravity? Answer: The center of gravity is the point at which the entire weight of an object can be considered to act.
What is the difference between a scalar and a vector quantity? Answer: A scalar quantity has magnitude only, while a vector quantity has magnitude and direction.
What is the difference between linear momentum and angular momentum? Answer: Linear momentum refers to the momentum of an object moving in a straight line, while angular momentum refers to the momentum of an object rotating around an axis.
What is the law of conservation of momentum? Answer: The law of conservation of momentum states that the total momentum of an isolated system remains constant before and after a collision.
What is the formula for calculating gravitational force? Answer: The formula for gravitational force is F = G * (m1 * m2) / r^2, where G is the gravitational constant, m1 and m2 are the masses of the objects, and r is the distance between them.
What is the difference between weight and mass? Answer: Weight is the force exerted on an object due to gravity, while mass is a measure of the amount of matter in an object.
What is the formula for calculating centripetal force? Answer: The formula for calculating centripetal force is Fc = (m * v^2) / r, where Fc is the centripetal force, m is the mass of the object, v is the velocity of the object, and r is the radius of the circular path.
What is the difference between centripetal force and centrifugal force? Answer: Centripetal force is the inward force that keeps an object moving in a circular path, while centrifugal force is the outward apparent force experienced by an object moving in a circular path.
What is the relationship between centripetal acceleration and centripetal force? Answer: Centripetal acceleration is directly proportional to the square of the velocity and inversely proportional to the radius of the circular path. Centripetal force is responsible for this acceleration.
What is the law of conservation of angular momentum? Answer: The law of conservation of angular momentum states that the total angular momentum of a system remains constant in the absence of external torques.
What is the difference between linear and angular displacement? Answer: Linear displacement refers to the change in position of an object in a straight line, while angular displacement refers to the change in the angle or orientation of an object rotating around an axis.
What is the relationship between linear velocity and angular velocity? Answer: Linear velocity is directly proportional to the product of angular velocity and the radius of rotation.
What is the difference between static and kinetic friction? Answer: Static friction acts on objects at rest, preventing them from moving, while kinetic friction acts on objects in motion, opposing their motion.
What is the coefficient of restitution? Answer: The coefficient of restitution is a value that represents the elasticity of a collision and is defined as the ratio of the relative velocity of separation to the relative velocity of approach.
What is the formula for calculating power? Answer: The formula for calculating power is power = work / time.
What is the principle of conservation of mechanical energy? Answer: The principle of conservation of mechanical energy states that the total mechanical energy (sum of kinetic and potential energy) of a system remains constant in the absence of non-conservative forces like friction.
What is the difference between gravitational potential energy and elastic potential energy? Answer: Gravitational potential energy is the energy possessed by an object due to its position relative to the Earth's surface, while elastic potential energy is the energy stored in a stretched or compressed elastic object.
What is the principle of work-energy theorem? Answer: The principle of work-energy theorem states that the work done on an object is equal to the change in its kinetic energy.
What is the law of conservation of energy? Answer: The law of conservation of energy states that energy cannot be created or destroyed, but it can be transformed from one form to another.
What is the difference between a conservative and non-conservative force? Answer: A conservative force is a force that does work, but the total mechanical energy of the system is conserved. A non-conservative force does work and can change the total mechanical energy of the system.
What is the principle of mechanical advantage? Answer: The principle of mechanical advantage states that a simple machine can multiply the input force or change its direction to make the task easier.
What is the difference between translational equilibrium and rotational equilibrium? Answer: Translational equilibrium occurs when the net force acting on an object is zero, while rotational equilibrium occurs when the net torque acting on an object is zero.
What is the relationship between torque and lever arm? Answer: Torque is directly proportional to the product of the force applied and the lever arm (the perpendicular distance between the axis of rotation and the line of action of the force).
What is the difference between linear momentum and angular momentum? Answer: Linear momentum refers to the momentum of an object moving in a straight line, while angular momentum refers to the momentum of an object rotating around an axis.
What is the principle of conservation of angular momentum? Answer: The principle of conservation of angular momentum states that the total angular momentum of a system remains constant if no external torques act on it.
What is the relationship between torque, moment of inertia, and angular acceleration? Answer: Torque is equal to the product of moment of inertia and angular acceleration.
What is the formula for calculating rotational motion? Answer: The formula for rotational motion is torque = moment of inertia * angular acceleration.
What is the center of mass? Answer: The center of mass is the point in an object or system that behaves as if all the mass is concentrated at that point.
What is the principle of conservation of linear momentum? Answer: The principle of conservation of linear momentum states that the total momentum of a system remains constant if no external forces act on it.
What is the difference between velocity and acceleration? Answer: Velocity is the rate of change of displacement, while acceleration is the rate of change of velocity.
What is the difference between speed and velocity? Answer: Speed is a scalar quantity that represents the rate of change of distance, while velocity is a vector quantity that represents the rate of change of displacement.
What is the difference between distance and displacement? Answer: Distance is the total length of the path traveled, while displacement is the change in position from the starting point to the endpoint.
What is the difference between mass and weight? Answer: Mass is a measure of the amount of matter in an object, while weight is the force exerted on an object due to gravity.
What is the unit of force in the SI system? Answer: The unit of force in the SI system is the Newton (N).
What is the difference between static and kinetic friction? Answer: Static friction acts on objects at rest, while kinetic friction acts on objects in motion.
What is the coefficient of friction? Answer: The coefficient of friction is a value that represents the interaction between two surfaces and determines the amount of friction between them.
What is the difference between work and power? Answer: Work is the transfer of energy that occurs when a force is applied over a distance, while power is the rate at which work is done or energy is transferred.
What is the unit of work and energy in the SI system? Answer: The unit of work and energy in the SI system is the Joule (J).
What is the principle of conservation of energy? Answer: The principle of conservation of energy states that energy cannot be created or destroyed, only converted from one form to another.
What is the difference between kinetic energy and potential energy? Answer: Kinetic energy is the energy possessed by an object due to its motion, while potential energy is the energy possessed by an object due to its position or condition.
What is the formula for calculating kinetic energy? Answer: The formula for kinetic energy is KE = 0.5 * mass * velocity^2.
What is the formula for calculating potential energy? Answer: The formula for potential energy depends on the specific context, such as gravitational potential energy = mass * acceleration due to gravity * height.
What is the law of universal gravitation? Answer: The law of universal gravitation states that every particle in the universe attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.
What is the value of the gravitational constant (G)? Answer: The value of the gravitational constant is approximately 6.67430 × 10^(-11) N(m/kg)^2.
What is the formula for calculating gravitational force? Answer: The formula for calculating gravitational force is F = (G * m1 * m2) / r^2, where F is the gravitational force, G is the gravitational constant, m1 and m2 are the masses of the objects, and r is the distance between their centers.
What is Kepler's first law of planetary motion? Answer: Kepler's first law of planetary motion, also known as the law of orbits, states that all planets move in elliptical orbits with the Sun at one of the foci.
What is Kepler's second law of planetary motion? Answer: Kepler's second law of planetary motion, also known as the law of areas, states that a line that connects a planet to the Sun sweeps out equal areas in equal intervals of time.
What is Newton's First Law of Motion? Answer: An object at rest tends to stay at rest, and an object in motion tends to stay in motion with the same speed and in the same direction unless acted upon by an external force.
What is Newton's Second Law of Motion? Answer: The force acting on an object is equal to the mass of the object multiplied by its acceleration.
What is Newton's Third Law of Motion? Answer: For every action, there is an equal and opposite reaction.
What is work in physics? Answer: Work is the transfer of energy that occurs when a force is applied over a distance.
What are the different forms of energy? Answer: Kinetic energy, potential energy, thermal energy, electrical energy, and chemical energy are some examples of different forms of energy.
Define power. Answer: Power is the rate at which work is done or energy is transferred.
What is the Law of Universal Gravitation? Answer: Every particle in the universe attracts every other particle with a force directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
What is the acceleration due to gravity near the surface of the Earth? Answer: The acceleration due to gravity near the surface of the Earth is approximately 9.8 m/s².
What is projectile motion? Answer: Projectile motion is the motion of an object projected into the air, subject to the force of gravity and no other horizontal forces.
Define range in projectile motion. Answer: Range is the horizontal distance covered by a projectile before it hits the ground.
What is the maximum height in projectile motion? Answer: The maximum height is the highest point reached by a projectile in its trajectory.
What is the unit of force in the SI system? Answer: The unit of force in the SI system is the Newton (N).
How can you calculate work done by a force? Answer: Work done by a force is calculated by multiplying the force applied by the displacement in the direction of the force.
What is the unit of work and energy in the SI system? Answer: The unit of work and energy in the SI system is the Joule (J).
What is the formula for kinetic energy? Answer: The formula for kinetic energy is KE = 0.5 * mass * velocity^2.
What is the formula for potential energy? Answer: The formula for potential energy is PE = mass * acceleration due to gravity * height.
What is the principle of conservation of energy? Answer: The principle of conservation of energy states that energy cannot be created or destroyed, only converted from one form to another.
What is the relationship between work, power, and time? Answer: Power is equal to the work done divided by the time taken.
What is the formula for gravitational force? Answer: The formula for gravitational force is F = (G * m1 * m2) / r^2, where G is the gravitational constant, m1 and m2 are the masses, and r is the distance between the masses.
What is the weight of an object? Answer: Weight is the force exerted on an object due to gravity and is equal to the mass of the object multiplied by the acceleration due to gravity.
What happens to the motion of an object if the net force acting on it is zero? Answer: If the net force acting on an object is zero, the object will remain in a state of rest or continue moving at a constant velocity.
What is inertia? Answer: Inertia is the tendency of an object to resist any change in its state of motion.
What is the relationship between mass and inertia? Answer: Mass is a measure of the inertia of an object. The greater the mass, the greater the inertia.
What is the formula for Newton's second law of motion? Answer: The formula for Newton's second law of motion is F = m * a, where F is the force applied to an object, m is the mass of the object, and a is the acceleration produced.
What is the difference between mass and weight? Answer: Mass is the amount of matter in an object, while weight is the force exerted on an object due to gravity.
What is the unit of acceleration? Answer: The unit of acceleration is meters per second squared (m/s²).
What is the relationship between force, mass, and acceleration? Answer: Force is equal to the product of mass and acceleration, according to Newton's second law of motion.
What is the principle of equilibrium? Answer: The principle of equilibrium states that an object is in equilibrium when the net force acting on it is zero.
How can you calculate the net force acting on an object? Answer: The net force acting on an object can be calculated by summing up all the individual forces acting on it.
What is the difference between distance and displacement? Answer: Distance is the total length of the path traveled, while displacement is the change in position from the starting point to the endpoint.
What is the formula for calculating average speed? Answer: The formula for average speed is speed = distance / time.
What is the difference between speed and velocity? Answer: Speed is a scalar quantity that represents the rate of change of distance, while velocity is a vector quantity that represents the rate of change of displacement.
What is the formula for calculating average velocity? Answer: The formula for average velocity is velocity = displacement / time.
What is the difference between balanced and unbalanced forces? Answer: Balanced forces result in no change in motion, while unbalanced forces cause acceleration or deceleration.
What is the principle of action-reaction? Answer: The principle of action-reaction states that for every action force, there is an equal and opposite reaction force.
What is the relationship between force and acceleration in circular motion? Answer: In circular motion, the force is directed towards the center of the circle and is responsible for the object's centripetal acceleration.
What is the centripetal force? Answer: The centripetal force is the inward force that keeps an object moving in a circular path.
What is the relationship between velocity and acceleration? Answer: Velocity is the rate of change of displacement, while acceleration is the rate of change of velocity.
What is the difference between static and kinetic friction? Answer: Static friction acts on objects at rest, while kinetic friction acts on objects in motion.
What is the coefficient of friction? Answer: The coefficient of friction is a value that represents the interaction between two surfaces and determines the amount of friction between them.
What is the principle of conservation of linear momentum? Answer: The principle of conservation of linear momentum states that the total momentum of a system remains constant if no external forces act on it.
What is the formula for calculating momentum? Answer: The formula for momentum is momentum = mass * velocity.
What is the impulse-momentum theorem? Answer: The impulse-momentum theorem states that the change in momentum of an object is equal to the impulse applied to it.
What is an elastic collision? Answer: An elastic collision is a collision in which both momentum and kinetic energy are conserved.
What is an inelastic collision? Answer: An inelastic collision is a collision in which momentum is conserved, but kinetic energy is not conserved.
What is the principle of conservation of energy in the context of collisions? Answer: The principle of conservation of energy states that the total energy of a system remains constant before and after a collision.
What is the difference between speed and velocity? Answer: Speed is a scalar quantity that represents the rate of change of distance, while velocity is a vector quantity that represents the rate of change of displacement.
What is the formula for calculating acceleration? Answer: The formula for acceleration is acceleration = change in velocity / time.
What is the relationship between force and motion? Answer: Force causes a change in motion, such as acceleration or deceleration.
What is the difference between linear motion and rotational motion? Answer: Linear motion refers to motion in a straight line, while rotational motion refers to motion around an axis.
What is the difference between speed and velocity? Answer: Speed is a scalar quantity that represents the rate of change of distance, while velocity is a vector quantity that represents the rate of change of displacement.
What is the principle of conservation of angular momentum? Answer: The principle of conservation of angular momentum states that the total angular momentum of a system remains constant if no external torques act on it.
What is torque? Answer: Torque is a measure of the tendency of a force to cause rotational motion and is calculated as the product of force and the perpendicular distance from the axis of rotation.
What is the relationship between torque, force, and lever arm? Answer: Torque is equal to the product of force and lever arm (perpendicular distance from the axis of rotation).
What is the formula for calculating rotational motion? Answer: The formula for rotational motion is torque = moment of inertia * angular acceleration.
What is the moment of inertia? Answer: The moment of inertia is a measure of an object's resistance to changes in its rotational motion.
What is angular acceleration? Answer: Angular acceleration is the rate at which an object's angular velocity changes over time.
What is rotational equilibrium? Answer: Rotational equilibrium occurs when the net torque acting on an object is zero, resulting in no rotational acceleration.
What is the center of gravity? Answer: The center of gravity is the point at which the entire weight of an object can be considered to act.
What is the difference between a scalar and a vector quantity? Answer: A scalar quantity has magnitude only, while a vector quantity has magnitude and direction.
What is the difference between linear momentum and angular momentum? Answer: Linear momentum refers to the momentum of an object moving in a straight line, while angular momentum refers to the momentum of an object rotating around an axis.
What is the law of conservation of momentum? Answer: The law of conservation of momentum states that the total momentum of an isolated system remains constant before and after a collision.
What is the formula for calculating gravitational force? Answer: The formula for gravitational force is F = G * (m1 * m2) / r^2, where G is the gravitational constant, m1 and m2 are the masses of the objects, and r is the distance between them.
What is the difference between weight and mass? Answer: Weight is the force exerted on an object due to gravity, while mass is a measure of the amount of matter in an object.
What is the formula for calculating centripetal force? Answer: The formula for calculating centripetal force is Fc = (m * v^2) / r, where Fc is the centripetal force, m is the mass of the object, v is the velocity of the object, and r is the radius of the circular path.
What is the difference between centripetal force and centrifugal force? Answer: Centripetal force is the inward force that keeps an object moving in a circular path, while centrifugal force is the outward apparent force experienced by an object moving in a circular path.
What is the relationship between centripetal acceleration and centripetal force? Answer: Centripetal acceleration is directly proportional to the square of the velocity and inversely proportional to the radius of the circular path. Centripetal force is responsible for this acceleration.
What is the law of conservation of angular momentum? Answer: The law of conservation of angular momentum states that the total angular momentum of a system remains constant in the absence of external torques.
What is the difference between linear and angular displacement? Answer: Linear displacement refers to the change in position of an object in a straight line, while angular displacement refers to the change in the angle or orientation of an object rotating around an axis.
What is the relationship between linear velocity and angular velocity? Answer: Linear velocity is directly proportional to the product of angular velocity and the radius of rotation.
What is the difference between static and kinetic friction? Answer: Static friction acts on objects at rest, preventing them from moving, while kinetic friction acts on objects in motion, opposing their motion.
What is the coefficient of restitution? Answer: The coefficient of restitution is a value that represents the elasticity of a collision and is defined as the ratio of the relative velocity of separation to the relative velocity of approach.
What is the formula for calculating power? Answer: The formula for calculating power is power = work / time.
What is the principle of conservation of mechanical energy? Answer: The principle of conservation of mechanical energy states that the total mechanical energy (sum of kinetic and potential energy) of a system remains constant in the absence of non-conservative forces like friction.
What is the difference between gravitational potential energy and elastic potential energy? Answer: Gravitational potential energy is the energy possessed by an object due to its position relative to the Earth's surface, while elastic potential energy is the energy stored in a stretched or compressed elastic object.
What is the principle of work-energy theorem? Answer: The principle of work-energy theorem states that the work done on an object is equal to the change in its kinetic energy.
What is the law of conservation of energy? Answer: The law of conservation of energy states that energy cannot be created or destroyed, but it can be transformed from one form to another.
What is the difference between a conservative and non-conservative force? Answer: A conservative force is a force that does work, but the total mechanical energy of the system is conserved. A non-conservative force does work and can change the total mechanical energy of the system.
What is the principle of mechanical advantage? Answer: The principle of mechanical advantage states that a simple machine can multiply the input force or change its direction to make the task easier.
What is the difference between translational equilibrium and rotational equilibrium? Answer: Translational equilibrium occurs when the net force acting on an object is zero, while rotational equilibrium occurs when the net torque acting on an object is zero.
What is the relationship between torque and lever arm? Answer: Torque is directly proportional to the product of the force applied and the lever arm (the perpendicular distance between the axis of rotation and the line of action of the force).
What is the difference between linear momentum and angular momentum? Answer: Linear momentum refers to the momentum of an object moving in a straight line, while angular momentum refers to the momentum of an object rotating around an axis.
What is the principle of conservation of angular momentum? Answer: The principle of conservation of angular momentum states that the total angular momentum of a system remains constant if no external torques act on it.
What is the relationship between torque, moment of inertia, and angular acceleration? Answer: Torque is equal to the product of moment of inertia and angular acceleration.
What is the formula for calculating rotational motion? Answer: The formula for rotational motion is torque = moment of inertia * angular acceleration.
What is the center of mass? Answer: The center of mass is the point in an object or system that behaves as if all the mass is concentrated at that point.
What is the principle of conservation of linear momentum? Answer: The principle of conservation of linear momentum states that the total momentum of a system remains constant if no external forces act on it.
What is the difference between velocity and acceleration? Answer: Velocity is the rate of change of displacement, while acceleration is the rate of change of velocity.
What is the difference between speed and velocity? Answer: Speed is a scalar quantity that represents the rate of change of distance, while velocity is a vector quantity that represents the rate of change of displacement.
What is the difference between distance and displacement? Answer: Distance is the total length of the path traveled, while displacement is the change in position from the starting point to the endpoint.
What is the difference between mass and weight? Answer: Mass is a measure of the amount of matter in an object, while weight is the force exerted on an object due to gravity.
What is the unit of force in the SI system? Answer: The unit of force in the SI system is the Newton (N).
What is the difference between static and kinetic friction? Answer: Static friction acts on objects at rest, while kinetic friction acts on objects in motion.
What is the coefficient of friction? Answer: The coefficient of friction is a value that represents the interaction between two surfaces and determines the amount of friction between them.
What is the difference between work and power? Answer: Work is the transfer of energy that occurs when a force is applied over a distance, while power is the rate at which work is done or energy is transferred.
What is the unit of work and energy in the SI system? Answer: The unit of work and energy in the SI system is the Joule (J).
What is the principle of conservation of energy? Answer: The principle of conservation of energy states that energy cannot be created or destroyed, only converted from one form to another.
What is the difference between kinetic energy and potential energy? Answer: Kinetic energy is the energy possessed by an object due to its motion, while potential energy is the energy possessed by an object due to its position or condition.
What is the formula for calculating kinetic energy? Answer: The formula for kinetic energy is KE = 0.5 * mass * velocity^2.
What is the formula for calculating potential energy? Answer: The formula for potential energy depends on the specific context, such as gravitational potential energy = mass * acceleration due to gravity * height.
What is the law of universal gravitation? Answer: The law of universal gravitation states that every particle in the universe attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.
What is the value of the gravitational constant (G)? Answer: The value of the gravitational constant is approximately 6.67430 × 10^(-11) N(m/kg)^2.
What is the formula for calculating gravitational force? Answer: The formula for calculating gravitational force is F = (G * m1 * m2) / r^2, where F is the gravitational force, G is the gravitational constant, m1 and m2 are the masses of the objects, and r is the distance between their centers.
What is Kepler's first law of planetary motion? Answer: Kepler's first law of planetary motion, also known as the law of orbits, states that all planets move in elliptical orbits with the Sun at one of the foci.
What is Kepler's second law of planetary motion? Answer: Kepler's second law of planetary motion, also known as the law of areas, states that a line that connects a planet to the Sun sweeps out equal areas in equal intervals of time.
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