A 210-kg crate is being pushed across a horizontal floor, Physics

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A 210-kg crate is being pushed across a horizontal floor

A 210-kg crate is being pushed across a horizontal floor by aforce P that makes an angle of 18.6° below the horizontal. The coefficient of kinetic friction is0.209. What should be the magnitude of P, so that the net work done by it and the kinetic frictional force is zero?

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Physics: A 210-kg crate is being pushed across a horizontal floor

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