Is friction good or bad? justify it
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- Friction a Necessary Evil If there is no friction between any two surfaces in contact ... Though friction is useful in many fields, it is harmful in the working machines
- But it can be bad when we get blisters. The important thing to realise is that friction is necessary and is why your shoes, socks and insoles are made out of high-friction materials. ... Not all over, just in the area of your blisters so you can maintain necessary traction.
- 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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