A person holds a bundle of hay over his head for 30 minutes and gets tired. Has he done some work or not? Justify your answer.
Answers
Answered by
25
according to physics he had done no work because work done is directly proportional to the displacement as in this case displacement is not done so no work is done no matter whichever amount of force is applied.
Answered by
13
When a person holds a bundle of hay over his head for 30 minutes and gets tired, he does no work in the given situation.
This is all because the bundle of hay held by the person does not move at all.
Or in other words, the displacement of bundle is zero, that is, Work, W = Force x Displacement = Force x 0 = 0.
Similar questions