Question

What do you understood by the term friction?Explain how it is caused​

Answer 1

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here is ur answer...

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.

Friction is caused by the irregularities on the two surfaces in contact. So the force of friction is greater if a rough surface is involved. We see that the friction is caused by the interlocking of irregularities in the two surfaces.

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Answer 2

The force between two contact surface and tenfing to oppose motion is known as Friction.

It is caused by roughness.