Friction Force

Ms_Shaista Khurshid - 25-2-14


A force is a push or pull acting upon an object. Friction is a force that is created whenever two surfaces move or try to move across each other.

Friction plays a vital role in our daily life. some of the advantages are:

Positive Effects:

-walking, riding a vehicle, striking a match, using a pen and chewing food.

Like advantages there are also some disadvantages of friction. Some of them are:

Negative Effects:

-Makes movement difficult, Wastes energy, Heats parts, Wears things out.

Some of the methods that reduce friction are:

use of lubricants , use of grease, use of ball bearing and design modification.

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