Question

4. Which of the following is not an effect of friction?
(a) To produce heat
(c) To cause wear and tear of the surfaces
(b) To increase the speed of the body
(d) To oppose the motion of the body​

Answer 1

Answer:

"a" is ur answer

Explanation:

Mark as brainliest if it helps

Answer 2

Answer:

a)

Explanation:

to produce heat

and good night bro