Q.

Is it true that we can reduce friction to zero?


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a

True

b

False 

answer is B.

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Detailed Solution

 The above statement is False.
We cannot eliminate friction since it persists down to the atomic level. If two surfaces touch one other under some pressure, friction cannot be decreased to a perfect zero but with the right techniques, we could significantly reduce that. We can't accomplish anything beneficial in the world if we don't exert normal pressure.
The correct statement would be that we can’t reduce friction to zero.
 
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