Question

A person hold bundle hay over his head for 1 hour and gets tired, has he does work or not?

Answer 1

Hey...!!!

No, by holding a bundle of hay for 1 hour the person has not done any work because work is said to be done only, when there is displacement and by holding the bundle of hay, we can't say that work is done cause there is no displacement.

Hope it helps...!!!

Answer 2

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The person applies a force on the bundle of hay in the upward direction but there is no displacement of the load.

We know, W = F × s.
Since, s = 0, W = 0.

So, work done by the person on the bundle of hay is zero.

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Thanks...✊