Question

a) Gymnasts often apply some coarse powder on their hands
b) We often sprinkle powder on a carrom board before starting a game​

Answer 1

Answer:

to reduce friction

Explanation:

in order to have a better grip

as their hands will slip in frictionless surface

Answer 2

Answer:

b)we do so to reduce frictional force as it will make the surface ares smooth and hence less irregularities

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