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Ball bearings are used between the hub and axle of ceiling fan and bicycle.Why?

Posted by Dhiren Sompura 6 years, 3 months ago

CBSE > Class 08 > Science

1 answers

Sia ? 6 years, 3 months ago

Since the rolling friction is smaller than the sliding friction, sliding is replaced in most machines by rolling by the use of ball bearings. A common examples are the use of ball bearing between the hub and the axle of a ceiling fan and the bicycle.

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CBSE > Class 08 > Science