In which of the following is not use to decrease friction (i) lubricant (ii) coarse material (iii) ball bearing (iv) slippery powder.
Answers
Answered by
1
Answer:
coarse material
Explanation:
because rest are lubricants which reduces frictional force whereas coarse material would increase friction
Answered by
1
Answer:
ot is the coarse material because others helps us to decrease friction and are used in our daily life
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