Question

a rigid body of mass m kg is lifted uniformly by Aman to a height of 1m in 30 sec. another man lifts the same mass uniformly to the same height in 60 sec. the work done on the body against gravitation by them are in ratio

Answer 1

Both works the same amount of work because they lift same mass to a same height.
this, ratio will be 1:1

We can say that their power differ.
and power are in the ratio of 2:1

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Answer 2

Explanation:

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