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 for our lives. Without friction, many essential processes can not be done.
Friction is considered a necessary evil because it can be both helpful and harmful. It can be useful in creating traction and allowing us to walk, but it can also cause wear and tear on machinery.
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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 for our lives. Without friction, many essential processes can not be done.
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Explanation:
Friction is considered a necessary evil because it can be both helpful and harmful. It can be useful in creating traction and allowing us to walk, but it can also cause wear and tear on machinery.