14. Ball bearings are used in bicycles, cars
etc., because
(a) the actual area of contact between the
wheel and axle is increased
(b) the effective area of contact between the
wheel and axle is increased
(c) the effective area of contact between the
wheel and axle is reduced
(d) None of the above
Answers
Answered by
1
Answer:
answer is a option hope it will help you
Answered by
1
Answer:
none of them ....
hope it will help you
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