Question

write the important advantage of friction with example
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Answer 1

ADVANTAGES OF FRICTION.

• Friction plays a vital role in our daily life. Without friction we are handicap.
• It is becomes difficult to walk on a slippery road due to low friction. ...
• We can not fix nail in the wood or wall if there is no friction. ...
• A horse can not pull a cart unless friction furnishes him a secure Foothold.

Specific examples of sliding friction include:

Rubbing both hands together to create heat.

A sled sliding across snow or ice.

Skis sliding against snow.

A person sliding down a slide is an example of sliding friction.

Answer 2

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Advantages of friction:-

It is because of friction that we can walk, drive, open doors, turn tap and write.Screw and nails do not slip of because of the friction between the wood and the metal surface of the screw .

Disadvantages of friction:-

Friction causes the moving parts in machinery and automobiles to heat up this results in wastage of energy and fuel. Fiction also causes wear and Tear of the moving parts .