Multiple Choice
A person applies a constant force of 20 N to a rock of mass 1000 kg, for a total of 20 seconds. What is the work done by this person if the rock does not move at all by this applied force?
A) 1000 J
B) 2000 J
C) 20,000 J
D) 0 J
E) 400 J
Correct Answer:

Verified
Correct Answer:
Verified
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