Question

define limiting force

Answer 1

The maximum friction that can be generated between two static surfaces in contact with each other. Once aforce applied to the two surfaces exceeds the limiting friction, motion will occur. For two dry surfaces, thelimiting friction is a product of the normal reaction force and the coefficient of limitingfriction.
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Answer 2

The maximum friction that can be generated between two static surfaces in contact with each other. Once a force applied to the two surfaces exceeds the limiting friction, motion will occur. For two dry surfaces, the limiting friction is a product of the normal reaction force and the coefficient of limiting friction.