Question

How does Friction depends on mass of an
object & Nature of the surface in contact?​

Answer 1

Explanation:

$\huge\underline\green{Answer}$

Friction force depends on the nature of the surface in contact. If the surface area is rough then the frictional co-efficient of the surface will also be larger thus will need more force to slide increasing friction.

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Answer 2

Answer:

Friction force depends on the nature of the surface in contact.

If the surface area is rough then the frictional co-efficient of the surface will also be larger thus will need more force to slide increasing friction.