Question

The force of friction depends upon ______.

Options

• Nature of surface of contact

• Material of objects in contact

• Both nature of surface of contact and material of objects in contact

• None of the above

Answer 1

The force of friction depends upon both nature of surface of contact and material of objects in contact.

Explanation:

The force of friction depends on the nature of the surfaces in contact and the materials of the objects touching each other. Rough surfaces and certain materials produce more friction than smooth ones.