3rd December 2019

quora
13

How is friction necessary?

Friction is necessary: If there is anything which moves forward with respect to something else while in contact with it without any external force acting it's because of god damn friction. Friction is evil: If there is external force available then the same friction slows it down.

Accordingly, how does friction help us?

A is a force that against motion. While walking, friction helps us maintain our stability and prevents from slipping. Friction in daily life youtube. Friction between tyres and the road stop cars from skidding.

Why friction is useful?

Friction can be useful: friction between our shoes and the floor stop us from slipping. friction between tyres and the road stop cars from skidding. friction between the brakes and wheel help bikes and cars slow down.
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