Question

A man is trying to push a large stone for 12 minute but there is no displacement does he work if no then explain why does he get tired

Answer 1

We know that Work = Force × Displacement

If there is no displacement of Stone then

Work = Force × 0

⇒Work = 0 Joule

So even of there is he exerts force . the stone does not move and so despite his efforts to move the stone , he gets tired.

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Answer 2

There is no work done as work done = force * displacement

And there is no displacement

He gets tired as he is using up his energy even though there is no displacement in the position of the object

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