Give some examples that friction is both good and an evil ??????
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Ello
friction as a friend :
- it allows us to walk comfortably
- its allows us to grip and catch other objects
- things do not move from their places because of the friction
- speeds of moving objects can be controlled due to friction
friction as an evil :
- friction causes wearing and tearing of the surfaces which are in contact
- friction makes the tyres to worn out which are dangerous as they slide and skid easily
- friction produces heat in machines which can damage some parts of its . its also produces noise
- friction also causes wasting of energy and fuels
thanku
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Explanation:
Good Friction : If friction wasn't there in the world, we could pass through a wall !!! Moreover, we couldn't stand on anything !
Bad friction : Due to friction there is excessive heat generated when a moving body stops all of a sudden that causes wear and tear .
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