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JEE Main Physics question

PhysicsWork, Energy and PowerJEE Main

A body is acted upon by a force, which is inversely proportional to the distance covered (x). The work done will be proportional to

Answer: (D)

Solution

With F ∝ 1/x, W = ∫F dx = ∫(k/x) dx = k ln x — a logarithmic function

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Question ID VK-153783