Q12.
Friction
can
be
reduced
by
using______
(a) Oil
(b) Grease
(c) Powder
(d) All
of
these
Answers
Answered by
1
Answer:
All of these
Hope it may help you.
Answered by
5
Answer:
We can reduced friction by polishing the surface
Explanation:
As polishing makes the surface smooth and friction can be reduced
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