Physics, asked by kanavsingh86, 11 months ago

Explain that Frictional force changes its magnitude

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Answered by Anonymous

Answer:

The frictional force always acts between two surfaces, and opposes the relative motion of the two surfaces. ... The magnitude of the force of kinetic friction acting on an object is fk = μkN, where μk is the coefficient of kinetic friction. For most surfaces, μk is less than μs.

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