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JEE Main Physics question

PhysicsWork, Energy and PowerJEE Main

The kinetic energy acquired by a body of mass m in travelling a certain distance s, starting from rest, under the action of a constant force, is directly proportional to

Answer: (A)

Solution

By the work-energy theorem, the kinetic energy gained equals the work done, KE = Fs, which does

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Question ID VK-153867