Factors Affecting Friction
Factors Affecting Friction: Overview
This Topic covers sub-topics such as Static Friction, Types of Friction, Sliding Friction and, Factors Affecting Friction
Important Questions on Factors Affecting Friction
Which of the following statement is incorrect?

A body experiences maximum frictional force on which of the following surfaces?

The flying plane offering the least frictional force should be

Match the following
Column I | Column II |
a) Barometer | reduce friction |
b) Increase friction | atmospheric pressure |
c) Decrease friction | cause of friction |
d) Lubricants | increasing area of contact |
e) Irregular surface | decreasing area of contact |

Match the following
Column I | Column II |
a) Static friction | viscosity |
b) Kinetic friction | least friction |
c) Rolling friction | objects are in motion |
d) Friction between the liquid layers | objects are sliding |
e) Sliding friction | objects are at rest |

Arrange the following in the increasing order:
Let a marble roll on the following surfaces. Arrange the choice of the material such that a marble moving over it covers a greater distance. Cotton cloth, glass plate, paper, cardboard, silver plate.

The force of friction called into play which does not allow bodies to slide upon one another is known as:


The heavier the object, the _____ (greater/lesser) is the friction.

It is difficult to walk on the marble floor when soap water is spilt over it because soap water _____ friction. (increases/decreases)


Define static friction and sliding friction.


Friction is independent of area of contact.


Sliding friction is _____ (more/less) than static friction.

List the names of five smooth surfaces and five rough surfaces from your surroundings.

Define different types of friction with examples.


How does friction depend on the smoothness of surfaces?
