How does the use of ball bearing reduces friction

1.	How does the use of ball bearing reduces friction
Answer» SOLUTION :Ballbearingprovidesanothereffectiveway to reducethe kineticfirictionin MACHINES . Ifballbearingare fixedbetweentwosurfaceduringthe relativemotiononly therollingfrictioncometo effectand notkineticfriction. Sincethe rollingfrictionis MUCH smallerthankineticfricitionthe machinesare protectedfromwearandtearover THEYEARS.

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