M

Mahesh Chandra • 6.28K Points
Tutor III Physics 

Q. Ball bearings are used in cycles, scooters etc to

  • (A) Increase the friction between the wheel and the axle
  • (B) Reduce the friction between the wheel and the axle
  • (C) Reduce the friction between ground and the whee
  • (D) None of the above
  • Correct Answer - Option(B)
  • Views: 733
  • Filed under category Physics
Explanation by: Mahesh Chandra 
The purpose of a ball bearing is to reduce rotational friction and support radial and axial loads. Reduce the friction as rolling friction is the least, rather than sliding or static friction.

You must be Logged in to update hint/solution

Discusssion

Login to discuss.

Be the first to start discuss.

Related MCQs on Physics

Q. Which of the following statements is correct?

Q. When a person walking in bright sunlight enters a dark room, he is not able to see clearly for a lit...

Q. VIBGYOR (Violet Indigo Blue Green Yellow Orange Red) are the rainbow colors in which of the followin...

Q. Which phenomenon is responsible for the echo of sound wave?

Q. Which of the following units measure atmospheric pressure?

Q. When a constant force acts on an object with a mass of 8 kg for a duration of 3 s. it increases the ...

Q. Which among the following instruments used in Forensic Sciences is popular as Liedetector?

Q. An object having the capability to do work is said to possess

Q. The blue colour of the clear sky is due to

Q. The resistance of a conductor is inversely proportional to its:

Learn All Physics MCQs

Download our easy to use, user friendly Android App from Play Store. And learn MCQs with one click.

Image

Question analytics