Question

Method used to reduce friction

Answer 1

Answer:

use lubricants

balk bearing method

Answer 2

Answer:

• the Powder is sprinkled over a carrom board to decrease the friction between the board's surface and Striker. in this way the surface of carrom board become smooth .

• By making the surface smooth by polishing

• by using ball bearings between the moving part of machines

hope it helps you ! :)