Write two evil point of 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. ... Basic activities like walking and writing on a surface are possible due to friction. Hence it is considered as a necessary evil .
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Frictional force causes a lot of losses in general upkeep and wear and tear of machinery. ... Basic activities like walking and writing on a surface are possible due to friction. Hence it is considered as a necessary evil .
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