Four men lift a 250 kg box to a height of 1m and hold it wihtout raising or lowering it. how much work is done by the man in lifting the boxow much do they do in just holding it they get tired while holding it
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13
work done here will be mgh, taking g as 10
W= 250×10×1
= 2500J
the men get tired because his energy is used in holding the box.
W= 250×10×1
= 2500J
the men get tired because his energy is used in holding the box.
Answered by
5
w= 250*1*10=2500j here is your answer
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