Why is friction a nessesary evil?
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if there is no friction we cannot live
if there is no friction the vehicles cannot move
we cannot live without friction
if there is no friction the vehicles cannot move
we cannot live without friction
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Frictional force causes a lot of losses in general upkeep and wear and tear of machinery. Hence it is considered as a evil. But almost all crucial tasks cannot be carried out without the presence of friction. ... Hence it is considered as a necessary evil
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