Question

which produce more friction
(a) smooth surface
(b) rough surfacs
​

Answer 1

Answer:

(b) rough surfacs

Hope it helps :)

Answer 2

Answer:

(b) rough surfaces produce more friction.

Reason:

The friction between the surface and the object will be less if the surface is smooth because smooth surfaces create less friction.

While in rough surfaces the friction will be more than smooth surfaces.