Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

Question

Ball bearings are used in bicycles, cars, etc., because

A the effective area of contact between the wheel and axle is reduced
B the effective area of contact between the wheel and axle is increased
C the actual area contact between the wheel and axle is increased
D none of the above statements is correct
Answer & Explanation
Option: [A]
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