Assertion :Use of ball bearings between two moving parts of a machine is a common practice. Reason: Ball bearings reduce vibrations and provide good stability.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
Ball bearing are used to convert sliding friction to rolling friction. rolling friction is less than sliding friction.

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Choose the correct option.

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