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CBSE - IX - Physics

What are the advantages and disadvantages of friction?

Asked by suvdol 24th August 2008, 7:31 PM
Answered by Expert


Advantages : It helps us to walk , various parts of the machine are able to rotate due  to the friction between the belt and the pulley , it would be impossible to climb, fix nail, to drive if there were no friction.

Disadvantages : Wear and tear of machinery is due to friction , efficiency of machines decreases due to friction.

Answered by Expert 25th August 2008, 1:11 AM

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