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Physics

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A crate with a mass of 40 kg is being dragged along a horizontal floor at a constant velocity by an applied force of 180 N. What is the coefficient of kinetic friction? (g = 10 m/s2

  • Physics - ,

    coefficient of friction
    = (pulling force)/weight
    = 180/(M*g)
    = 180/(40*10) = ___

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