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A body of mass 1 kg is kept on a rough surface is being pulled by a force of 2N, what will be the value of coefficient of friction if it just begins to move. Take g = 10m/s2.

A body of mass 1 kg is kept on a rough surface is being pulled by a force of 2N, what will be the value of coefficient of friction if it just begins to move. Take g = 10m/s2. Correct Answer 0.2

The acting friction will be limiting having a value of 2N. Since the body just begins to move, we have f = μN = 2N therefore μx10 = 2N μ = 0.2.

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