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How much work...

Question

How much work the men do in lifting the box?

A

625 J

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B

250 J

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C

62.5 J

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D

2500 J

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Solution

The correct option is D 2500 J
s $= 1 m$
F $= m . g = 2500 N$
W $= F . s = 2500 N m = 2500 J$

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