Question

What is friction?
what are the factors on which friction depends

Answer 1

Answer:

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Explanation:

~Friction is the resistance to motion of one object moving relative to another. It is not a fundamental force, like gravity or electromagnetism. Instead, scientists believe it is the result of the electromagnetic attraction between charged particles in two touching surfaces.

~The friction force depends on two factors: a) The materials that are in contact. The two materials and the nature of their surfaces. Rougher surfaces have higher coefficient of frictions but to slide apart.

Answer 2

Answer:

The force, which opposes the relative motion between two surfaces in contact is known as friction. It acts on both the surfaces.

Explanation:

Friction depends on two factors: (i) Nature of the surfaces in contact i.e. whether surface is rough or smooth.

Friction depends on the smoothness or roughness of the two surfaces which are in contact.

A rough surface produces greater friction as compared to a smooth surface.

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