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Questions  

A body of mass m kg is lifted by a man to a height of one metre in 30 sec. Another man lifts the same mass to the same height in 60 sec. The work done by them are in the ratio

a
1 : 2
b
1 : 1
c
2 : 1
d
4 : 1

detailed solution

Correct option is B

Work done does not depend on time.

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Similar Questions

If W1, W2 and W3 represent the work done in moving a particle from A to B along three different paths 1, 2 and 3 respectively (as shown) in the gravitational field of a point mass m, find the correct relation between W1, W2 and W3 


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