Question

5 examples of zero work

Answer 1

Answer :

1. Work done by centripetal force.

2. Work done by tension in the string of a simple pendulum

3. Work done by a coolie-carrying load on his head and walking straight on a level platfom..

Answer 2

Examples of zero work are:

• Rohan is carrying a suitcase and not moving then work done is zero.
• Shikha is working on the laptop for many hours, she claimed that she has done his assignment but actually no work is done.
• Sleeping at night for eight hours is an example of zero work.
• Neeraj is a coolie, he lifts a bundle of wood on his head, and after 30 minutes he got tired. Here work done is zero.
• Pushing a mountain is an example of zero work.