work done by a force of 8N to a body by a distance of 4m at angle of 30degree with line of action of force
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Explanation:
Work done in fruit case =F.S.cosθ
=10×2×cos60
10J
Work done in second case is same as 10J=FScosθ
⇒F×2×cos30=10
F=
3
10
N
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