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A force of 300 N is sufficient to keep a 100 kg crate moving at a constant speed across a wooden floor. What is the coefficient of sliding floor?

  • Physics -

    The vertical force on the floor is M*g = 980 N

    Uk*980 = 300 (since there is no acceleration)
    Uk = 300/980 = 0.306
    is the kinetic friction coefficient

  • Physics -

    thank you!

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