If smoother surfaces produce less friction than rough surfaces when rubbed together, what would happen if the rough surfaces weared down and became smooth?

Answers

Answered by oobleck
Hmmm ... let's see ...

smoother surfaces produce less friction

...
Answered by ❄ Snowflake ❄
Well, I figured. I guess I was focusing most on the material of the surfaces, and that confused me...
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