friction is necessary evil.justify the statement
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Explanation:
Friction is said to be a necessary evil because it is useful as well as harmful. friction helps us to walk, write, hold things, lift objects. So it is necessary in our lives. Without friction many essential processes can not be done.
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Answer:
it is true that friction is a necessary evil because due to the friction we have to apply more force to walk or move heavy objects on rough surface but only due to the friction it is possible to walk or move .on the smooth surface if we want to walk we slip due to very less frictional force.
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