Question

Can object have energy even when it rest? If yes, give two examples in support of your answer.

Answer 1

1. When an object is at rest, it still can do work, because being at rest is merely experiencing an opposite force that is stopping the motion.
2. An object can store energy as the result of its position
3. The energy stored in the object at rest is called potential energy.

4. Examples:

4.1. A boy sitting in one place.

4.2. A heavy ball of a demolition machine is storing energy when it is held at an elevated position.