what is the formula for finding friction
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f = \mu N
f = friction force
\mu = coefficient of friction
N = normal force
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Explanation:
friction is the opposing forcce which tends to oppose the motion of a body there is no formula to find it but it has maximum limit that is uN where u is coefficient of friction and N is contact force or normal force if the value of force is less than uN than friction equal force.
uN=F that object is at rest if F>uN than body will move with net force equal to F-uN
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