Question

. Friction is a necessary evil. With at least five(5) reason explain the statement.

Answer 1

Answer:

Explanation:

Friction is said to be a necessary evil because it is useful as well as harmful. ... Without friction many essential processes can not be done. On the other hand, it is also unecessary at times. it sometimes results in loss of energy, wear and tear of parts of machinery, due to which it also damages things.

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