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MHT CET Physics question

PhysicsWork, Energy and PowerMHT CET

A block of mass ‘m’, kept on a horizontal surface, is moved through a distances by applying a horizontal force (F) to it. What is the work done by the normal reaction? [MHTCET 2022]

Answer: (B)

Solution

The normal reaction is perpendicular to the displacement, so \cos$

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Question ID VK-062478