When a constant force acts on an object causing a displacement in its direction, the work done is mathematically equal to:

Which of the following represents an object possessing kinetic energy?

The total mechanical energy of a system is defined as the sum of its:

A light body and a heavy body have equal momentum. Which one has greater kinetic energy?

An example of potential energy is ________.

Consider the following statements regarding forces and work done: 1. Work done by conservative forces depends on the path taken. 2. Work done by a conservative force depends only on initial and final positions and is independent of the path. 3. Spring force is an example of a conservative force. 4. Frictional force is an example of a conservative force. Which of the statements given above are correct?

An electric motor-driven pump lifts 600 kg of water per minute from a well that is 20 m deep. What is the power output of the pump in Watts? (Take g = 10 m/s2)

The elastic potential energy stored in a spring is U when it is compressed by a distance x. If the compression distance is doubled to 2x, how many times will the stored potential energy become?

A ball of mass 2 kg is dropped from a height of 20 m. At what height from the ground will its kinetic energy be exactly equal to its potential energy? (Assume g = 10 m/s2 and neglect air resistance)