A horizontal force of 10N is necessary to just hold a block stationary against a wall .the coefficient of Friction between the block and the wall is 0.2 . the weight of the block is [AIEEE 2003]
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A horizontal force of 10N is necessary to just hold a block stationary against a wall .the coefficient of Friction between the block and the wall is 0.2 . the weight of the block is [AIEEE 2003]
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Explanation:- Let R be the normal contact force by wall on the block
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