3rd December 2019

school-for-champions
15

Why can friction be a nuisance?

Since friction is a resistive force that slows down or prevents motion, it can be a nuisance, because it can hinder motion and cause the need for expending extra energy. Friction can also cause parts in contact to heat up and can cause parts in contact to wear out.

Similarly, it is asked, is friction a good thing or a bad thing?

So friction is good. 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.
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