Question

A man raises a box of mass to a height of in , while another man raises the same box to the same height in . What is the ratio of work done by them ?

A

B

C

D

Medium
Updated on : 2022-09-05
Solution
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Correct option is A)

where, is the force applied, is the displacement, and is the angle between the force applied and displacement

Hence, work done is independent of time taken.

In the given cases, as the force applied are in the same direction. Also,
So

In both the cases, mass and displacement are the same.


Hence work done is in the ratio of .

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