A) 100 J
B) 200 J
C) 300 J
D) zero
E) None of these
Correct Answer: B
Solution :
Work done against gravity = mgh \[=2\times 10\times 10=200\,J\] Work done against friction = (Total work done - work done against gravity) \[=300-200=100\text{ }J\]You need to login to perform this action.
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