Question

why is the force of friction more if the surface is made rough?

Answer 1

Friction is always more on a rough surface compared to a smoothsurface. This is because rough surfaceoffers more resistance to the movement of an object over it compared to a smoothsurface.

Answer 2

Answer:

Explanation:

bhai when u drive a car and suddenly a mountain comes,so going up and down the mountain will make ur journey slower

like that when we move a body on a rough surface, there are hills and trenches on the surface if u see theouhh microscope........that causes friction

thanks