Frictio is necessary evil why
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Friction is necessary because when we apply sudden brakes at roads it helps us to stop the vehicle
Friction is evil because it wears away the soles of shoes.
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Explanation: Friction is a necessary evil because we cannot exist without it and we have many problems with it.
Uses: We cannot walk without friction, we cannot speak , we cannot hold things,etc..
Evil: It causes wear and tear of objects
Generates heat between 2 moving parts
Hence, Friction is a necessary evil.
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