Question

Suggest how one can reduce friction in the following cases:
a) while playing carrom
b) in motors and dynamos
c) in axles of vehicles
d)in a cycle lying unused for a long time. ​

Answer 1

Answer:

a)spreading powder on the board

b)Greece

c)Greece

)greace

Answer 2

Explanation:

option a is your answer...

Sprinkling of powder on the carrom board reduces friction.. ... We sprinkle powder on carrom board to make the surface of the board smooth. This reduces the friction between the surface of the carrom board, the striker and the coins. As a result, the coins and the striker can move easily on the carrom board