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in Physics by (70.0k points)

A man having a box on his head, climbs, up a slope and another man having art identical box walks the same distance on a levelled road. Who does more work against the force of gravity and why?

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Man having a box on his head who climbs up a slope does more work against the force of gravity because he has more potential energy by virtue of his position i.e., height. 

As, P.E. = W.D. = F × S 

= mg × h 

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