Polishing wooden surfaces reduces friction because-
a) two polished surfaces repel each other
b) it knocks out irregularities
c) layers of polish can move against each other
d) none of these
Answers
Answered by
2
Answer:
none of these
Explanation:
because it makes the surface smoot
Answered by
0
Answer:
b ) knocks out irrigularities
Explanation:
it makes the surface smooth so the friction reduces
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