Multiple Choice
James pulls a rope and he has a mass of 77 kg. He pulls 20 m of the rope and does 40 N×m of work on the rope. What was the force he put on the rope to pull it up?
A) 1540 N
B) 2 N
C) ½ N
D) 4620 N
Correct Answer:
Verified
Correct Answer:
Verified
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