A

Admin • 833.24K Points
Coach

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

  • (A) The effective area of contact between the wheel and axle is increased
  • (B) The actual 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 these
  • Correct Answer - Option(C)
  • Views: 14
  • Filed under category General Science
  • Hashtags:

No solution found for this question.
Add Solution and get +2 points.

You must be Logged in to update hint/solution

Discusssion

Login to discuss.

Be the first to start discuss.