Question

When a body slides over another, the frictional force experienced by the body is known as ____________ friction.

(a) sliding

(b) rolling

(c) static

(d) none of the mentioned

The question was asked in unit test.

Enquiry is from Types of Friction in portion Friction of Machine Kinematics

Answer 1

Correct option is (a) sliding

For explanation: When a body slides over another, the frictional force experienced by the body is known as sliding friction.

             When a body rolls over another, frictional force experienced by the body is known as rolling friction.