Physics Work, Energy, Power and Collision Work Done by Constant and Variable Force MCQ (Single Correct)

A body of mass m kg is lifted by a man to a height of one meter 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

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Text Solution

Verified by Experts
The correct answer is:
B

Work done by both the persons is the same and is given as,

It does not depend upon the time taken to perform the work.

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