Question

(a) HIV
5. Friction is reduced by making the surface ?
(a) Smooth
(b) Glossy
(c) BO
We can hear sound of frequency range betwee​

Answer 1

Friction is reduced by making the surface ?

(a) Smooth✔

(b) Glossy

(c) BO

Answer :-Smooth

Explanation :- By polishing the surface, as polishing makes the surface smooth and friction can be reduced. Using lubricants such as oil or grease can reduce the friction between the surfaces. When objects are rolled over the surface, the friction between the rolled object and surface can be reduced by using ball bearings.

Hope it helps u

plz Mark me as brainliest

꧁༺DҽѵíӀ ցíɾӀ༻꧂

Answer 2

Explanation:

I hope it helpful for you completely free of