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19-11-2019
Physics

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26. An ice-skater who weighs 200 N is gliding across the ice. If the force of friction is 4 N. what is the
coefficient of kinetic friction?

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abuyahabu abuyahabu

20-11-2019

Answer:

0.02

Explanation:

coefficient of kinetic friction = μ

force of friction = Ff

Normal Force = FN, but

FN = -W

Ff = -μFN

so μ = Ff/FN

= 4N/200N

= 0.02.

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