A 2-kg body is sliding up an inclined plane of inclination 30. find the work done by the force of gravity in moving the body through 1 m.
Asked by rajneesh kumar | 5th Dec, 2013, 08:16: PM
Expert Answer:
Given that,
m = 2 kg
θ = 30º
d = 1 m
Work done W = Fg d cos θ
= mg x d x cos θ
= 2 x 9.8 x 1 x cos 30º
= 19.6 x 0.866
= 16.97 J
Answered by Komal Parmar | 6th Dec, 2013, 08:05: AM
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