ball-bearings.jpg

Ball bearings is a device which consists of a ring of small metal balls

It reduces friction between the surfaces its rolling on

 

It works like

How a ball bearing works

 

  1. Class 8
  2. Chapter 12 Class 8 - Friction
Class 8
Chapter 12 Class 8 - Friction

About the Author

CA Maninder Singh's photo - Founder at Teachoo
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo