Q)
(chatquestion)...A body of mass 10 kg is moved with uniform speed on a rough horizontal surface, for a distance
of 2 m. The workdone is 150 J. The surface is inclined to the horizontal at 30°. The same body
is moved over the inclined plane for a distance of 2 m. The work done against friction will be :
(take g = 10 m/s²)
(A)
250 J
(75-3) J
(B)
50 J
(C)
150 J
(D)
1 Answer
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