What are the advantages and disadvantages of friction?
Asked by suvdol | 24th Aug, 2008, 07:31: PM
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 | 25th Aug, 2008, 01:11: AM
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