What is the advantage of using ball bearings in machines?

Sliding friction replaces rolling friction.

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Static friction replaces rolling friction.

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Rolling friction replaces sliding friction.

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Rolling friction replaces static friction.

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Solution

The correct option is C
Rolling friction replaces sliding friction.

Rolling friction is the resistance to motion experienced by a body when it rolls on another surface. It is much less than sliding friction for the same pair of bodies.

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