Question

Define Froce of friction . List the factors affecting the force of friction. Explain with examples.​

Answer 1

Frictional force actually reduces the relative motion of a body. Various factors which affect friction are: Smoothness of surface:-more the surface is smooth, less is the friction. Normal force: This is also the most important factor responsible for friction.Normal force itself depends on weight of the body.

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Answer 2

The force which opposes the direction of motion of an object is called force of friction

Ex rough surface etc