1 point
20. which is incorrect about
friction
O
Friction depends on the nature of
the surface in contact
O
Lubricants reduce friction by filling
the irregularities between the
surface
Force of friction always oppose the
O relative motion between the two
bodies in contact
O NONE OF THE ABOVE
Answers
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Answer:
O NONE OF THE ABOVE
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Answer:
the answer will be third option
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