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Q.

Is it true that lubrication helps in reducing the friction?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
A lubrication is the process of lubricating the moving substances so that the wear and tear due to friction decreases. In some situations, the friction is undesired because the frictional force produced is in opposite force of the applied force and hence, opposes the required force, Also, in some cases it may cause wear and tear. To avoid the same, the moving parts are lubricated using lubricants like grease.
 
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