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Friction can be reduced to zero by applying lots of lubricants between surfaces.


Options:
A .   True
B .   False
C .   Writing on blackboard with a chalk
D .   Fixing a nail to wall
Answer: Option B
:
B

By applying lots of lubricants between two surfaces, we can reduce friction. However, friction can never be entirely eliminated. Some irregularities always remain on the surfaces.



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