If an object has zero momentum, does it have kinetic energy? Explain your answer.

Why is the work done on an object moving with uniform circular motion zero?

For work to be performed, energy must be:

Joule is the unit of:

Which of the forces involved in dragging a heavy object on a smooth, horizontal surface, have the same magnitude?

Power is a measure of the:

While dragging or lifting an object, negative work is done by:

The potential energy of your body is least when you are _____.

(Choose from: sitting on a chair, sitting on the ground, sleeping on the ground, standing on the ground)

The total energy of an object falling freely towards the ground _____.

(Choose from: decreases, remains unchanged, increases, increases in the beginning and then decreases)