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17 September, 17:41

What are equations used for friction

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  1. 17 September, 17:43
    The standard friction equation determines the frictional force of sliding friction for hard surfaces, when the coefficient of friction of the two surfaces and the normal reaction force is known. The equation is:

    Fr = uN where Fr is the resistice force of friction, u is the coefficient of friction for the two surfaces and N is the normal force pushing the two objects together.

    The equation holds true for both static and kinetic sliding friction.
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