Write the factors on which force of friction depends.
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The friction force depends on two factors: a) The materials that are in contact. The two materials and the nature of their surfaces. Rougher surfaces have higher coefficient of frictions but to slide apart.
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Friction is an everyday physical phenomina and yet the precise mechanisms underlying it at the microscopic scale are still not completely understood. Research into friction is essential for advanced nanotechnology. It is essential in everyday life although often we expend a lot of effort to try to minimise it effects and so reduce energy loss and wear and tear on moving parts.
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