Question

1. Give a few examples when force is applied and no work is done and state the reason. 2. Distinguish between potential energy and kinetic energy 3. Write different sources of energy.

Answer 1

Answer:

1. Pushing a car ,Reading a book

2..............................

3.Sun,Wind,Bulb

Answer 2

Answer:when you and your friend push a box from both sides with equal force.

Explanation: because forces are cancelled out in this situation.

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