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Is the amount of friction greater between rough surfaces or smooth surfaces? Why?

Is the amount of friction greater between rough surfaces or smooth surfaces? Why?
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Is the amount of friction greater between rough surfaces or smooth surfaces? Why?

User Muhammad Adnan
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1 Answer

11 votes

Answer:

Rough surfaces have more microscopic hills and valleys than smooth surfaces do. So, the rougher the surface is, the greater the friction is.

User FGiorlando
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