Question

what happens to friction :(a)when suface is smoothed
(b)when surface is roughed​

Answer 1

Answer:

• What happens to friction :

(a)when suface is smoothed - Friction decreases

(b)when surface is roughed - Friction Increases

Answer 2

$\huge{\bold{\purple{\underline{\overline{AnSwEr}}}}}$

$\underline{Friction}$ increases when surface is smooth.

$\underline{friction}$ decreases when surface is rough.