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A body of mass m kg lifted by a man to a...

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

A

`1:2`

B

`1:1`

C

`2:1`

D

`4:1`

Text Solution

Verified by Experts

The correct Answer is:
B
Work done by both the persons is the same and is given as,
W=mgh
It does not depend upon the time taken to perform the work.
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