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Assertion : Usage of ball bearing betwee...

Assertion : Usage of ball bearing between two moving parts in a machine is a common practice
Reason : Ball bearing reduce vibrations and provide good stability
Which one of the following statement is a correct statement

A

assertion is true and reason is true and explains assertio

B

assertion is true and reason explain assertion

C

assertion is true and reson is flase

D

assertion is flase and reason is true

Text Solution

Verified by Experts

The correct Answer is:
c
The ball bearings reduce friction by converting sliding friction into rolling friction .
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PREMIERS PUBLISHERS-LAW OF MOTION -OTHER IMPORTANT QUESTIONS & ANSWERS (Multiple choice Questions )
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  12. Which one of the following statement is correct for the following sit...

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  17. Which one of the following statement is correct for the following sit...

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  18. Select the odd man out from the following statement

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