A) 200 N-m
B) 400 N-m
C) 500 N-m
D) 600 N-m
Correct Answer: B
Solution :
Total work done = Work done to pull the bucket + work done to pull the rope \[=10\times 20+\frac{1}{2}\times 20\times 1\times 20=400\,\,N.\,m\]You need to login to perform this action.
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