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A glass slides across a bar and slows down due to a kinetic friction of 0. 175N. If the glass weighs 0. 500N, what is the coefficient of kinetic friction between the glass and the bar?
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14 votes
14 votes
A glass slides across a bar and slows down due to a kinetic friction of 0. 175N. If the glass weighs 0. 500N, what is the coefficient of kinetic friction between the glass and the bar?

User SurenNihalani
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1 Answer

21 votes
21 votes

Answer:

F = M a = Ff force of friction

Ff = μ M g = μ W where M g = weight of glass

The problem gives the kinetic friction as a force (Ff) in Newtons

μ = Ff / W = .175 / .500 = .35

User Ickster
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3.2k points
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