Question

3. Sliding is replaced by rolling by using ball bearings in
a. Dynamos
b. Axles of vehicles
c. Shafts of motors
d. All of these​

Answer 1

Answer:

B. AXLES OF VEHICLES IS THE ANSWER.

Explanation:

PLEASE MARK AS BRAINLIST ANSWER

Answer 2

Explanation:

Axles of vehicles is answer