Question

friction is necessary evil​

Answer 1

Answer:

Friction forces are responsible for wear nd tear as well as lots of energy loss takes place while performing motion hence it is considered as evil as it eats out large amount of precious energy. Therefore it considered as evil. However it helps in lots of phenomenon suuch as writing , walking,rolling etc hence it is said to be necessary evil

Explanation:

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Answer 2

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 .