Question

maximum value of frictional force between two surfaces​

Answer 1

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Force of friction always acts at point of contacts of the two surface. As the force causing motion increases the frictional force increases up to certain maximum value and that maximum value of force of friction is called limiting friction.

Answer 2

Force of friction always acts at point of contacts of the two surface. As the force causing motion increases the frictional force increases up to certain maximum value and that maximum value of force of friction is called limiting friction