Frictional Force
Frictional Force: Overview
This Topic covers sub-topics such as Static Friction, Angle of Repose, Coefficient of Friction, Rolling Friction, Laws of Friction, Coefficient of Static Friction, Coefficient of Kinetic Friction, Limiting Friction Force and, Total Contact Force
Important Questions on Frictional Force
Friction does not depend on the area of the surface in contact.

Does friction depend on the surface area?

Name the factors on which the static friction force depends.

Limiting friction is inversely proportional to the magnitude of normal reaction

Limiting friction is the maximum value of static friction.

What is the unit of coefficient of static friction?

The coefficient of friction is a dimensionless quantity.

The force of kinetic friction does not depend on

Kinetic friction is directly proportional to

What are the cause of rolling friction?

Angle of repose and angle of friction are equal.

The minimum angle that an inclined plane makes with the horizontal when a body placed on it just begins to slide down is called _____.

What is coefficient of kinetic friction.

What is coefficient of static friction ?

Static friction is self adjusting force


What are the different types of frictional force.


The frictional force on an object in a fluid depends on its _____ with respect to the fluid.

