Does friction depend on the contact area of the two surfaces? If no, then how rolling friction is less than sliding friction?
Asked by yashrajprime | 3rd Oct, 2014, 01:18: PM
Friction does not depend on the contact area of the two surfaces.
Sliding friction comes into play when an object is sliding, whereas rolling friction comes into play when an object rolls over the surface of abother object.
Friction is nothing but a force of contact between two surfaces which opposes motion of objects on one another. In rolling friction the area of contact between two objects is less then that of sliding friction. Hence rolling friction is less than sliding friction.
Answered by Priyanka Kumbhar | 4th Oct, 2014, 10:49: AM
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