Question

why sliding friction is little less than static friction?

Answer 1

Friction comes into play when irregularities present in the surfaces of two objects in contact get interlocked with each other. In sliding, the time given for interlocking is very small. Hence, interlocking is not strong. Therefore, less force is required to overcome this interlocking. Because of this reason, sliding friction is less than static friction.

Answer 2

Hi friend,

Here is the answer:
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Sliding friction is less than static friction this is because of the interlocking of irregularities present in the 2 surfaces.
When a body slides over another surface the interlocking of the surfaces doesn't get enough time. Whereas in static friction the objects get enough time to interlock each other at a certain place & time

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Hope it helps u :)

Regards,
Shobana
^_^