friction is a necessary evil explain with example
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friction causes lot of wear and tear in machines friction also damages us when we fall during running friction also decrases our speed during moving
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Answer:yes friction is aneceesary evil.It is necessary because it helps in walking,movement of car,holding a pen and doing many other works.if friction does not exist then we cannot do many things.In the same way friction is a evil also.It causes wear and tear of machines.a lot of energy is lost due to friction.When we rub our hands we experience some heat.
That is because of friction,when we rub hands ; heat is produced due to friction but it is lost instantly
Explanation:
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