Questions
The work done in dragging a stone of mass 100 kg up an inclined plane 1 in 100 through a distance of 10 m is (take g = 9.8 )
a
zero
b
980 J
c
9800 J
d
98 J
detailed solution
Correct option is D
Slope of inclined plane, sin θ = 1100Component of weight down the inclined planeF = mg sin θ = 100×9.8×1100 = 9.8 Ns =distance moved = 10 mW = Fs = 9.8 ×10 = 98 JTalk to our academic expert!
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