Question

ball bearing are used in wheels of bicycles give reason?

Answer 1

To increase friction
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Answer 2

Answer:

here's the answer

Explanation:

A ball bearing is a type of rolling-element bearing that uses balls to maintain the separation between the bearing races. The purpose of a ball bearing is to reduce rotational friction and support radial and axial loads. ... However, they can tolerate some misalignment of the inner and outer races.