Question

give two example of a movingbody wher no work done​

Answer 1

1. When we carry a suit case on our head the force acts perpendicular to the direction of motion and hence no work is done by the suit case.

2. If a block is moving on a smooth horizontal surface, no work is done.

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Answer 2

• When we carry a suit case on our head the force acts perpendicular to the direction of motion and hence no work is done by the suit case
• If a block is moving on a smooth horizontal surface, no work is done