Question

What happens to the energy of an object which does work and on which work is done?

Answer 1

Explanation:

When work is done on a system or object, energy is added to it. When work is done by a system or object, it gives some of its energy to something else. ... By applying a force on the ball over this distance, the hand is doing work on the ball, and the ball gains kinetic energy. This is what gives it speed.