Question

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Q - explain friction is a necessary evil .​

Answer 1

Explanation:

It is used for every wear and tear of the objects

In our life

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Answer 2

Answer:

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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