A man is pulling a bucket of water up to the roof of a building of 6 m height. The total weight of the rope is 20 N and the weight of the bucket with water is 100 N. The work done by the man is:

A man is pulling a bucket of water up to the roof of a building of 6 m

1.	A man is pulling a bucket of water up to the roof of a building of 6 m height. The total weight of the rope is 20 N and the weight of the bucket with water is 100 N. The work done by the man is:
A.	720 N-m
B.	420 N-m
C.	2 alone
D.	600 N-m
Answer» D. 600 N-m

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A man is pulling a bucket of water up to the roof of a building of 6 m height. The total weight of the rope is 20 N and the weight of the bucket with water is 100 N. The work done by the man is:

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