Which is a suitable method to decrease friction?
(a) Polishing (b) Lubrication
(c) Ball bearing (d) All of these
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Answered by
4
Answer:
option d is correct because friction is external agent
Answered by
3
Answer:
All of these are suitable methods to decrease friction because these all the substances increases the smoothness of the surface resulting in decreasing friction.....
Mark it as brainliest......
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