Answers

2015-07-16T11:37:29+05:30
Friction most importantly helps in walking. Next, it is used in everyday activities like writing, playing, chopping veggies etc. But it is not always a good. Sometimes it can be harmful as when taken in the case of rubbing surfaces in machines which can cause fires.
Hope this helps you. And I request you to please mark my answer as the brainliest.
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