Friction is both good and evil to human explain with examples
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without friction we can't even walk so in way friction is very useful for us.But due to friction our lots of energy loss in form of heat.
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friction is good because it helps in walking , riding, driving, if friction is not present our break will not work.
it is an evil because it losses our energy , we need to apply more energy to pull heavy boxes
it is an evil because it losses our energy , we need to apply more energy to pull heavy boxes
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