how much work is done by a man who tries to push the wall of a house?
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work is zero because no displacement
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4
Answer:
zero
Explanation:
as we know work done is equal to force × displacement but the displacement is zero in this case. so the work done is zero. for example let consider the force is 2 N :
work done=force×displacement
=2 × 0
=0 joule ( joule is the SI unit of work done)
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