200 J of work is done in sliding a 2kg block up an inclined plane through a height of 10 m
Work done against friction is
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Work done against gravity = m * g * h
= 2 * 10 * 10 [ g = 10 m/s ]
= 200 J
Actual work done = 200 J
Work done against friction = 200 J - 200 J
= 0 J
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