Define friction.

Define coefficient of Kinetic friction. Give the necessary formulae.

State the laws of kinetic friction.

Use of ball bearings converts A. Kinetic friction to static friction B. Kinetic friction into rolling friction C. Static friction to Kinetic friction D. Rolling friction into Kinetic friction

When the value of the frictional force is maximum, just before the body slides is called A. force of friction B. limiting force of friction C. compressive force friction D. Kinetic force of friction

State the disadvantages of friction. OR State any four methods of reduce friction.

Explain Kinetic Friction.

State the Laws of Kinetic Friction.

State the laws of Kinetic Friction.

State the advantages of friction.

State disadvantages of friction.