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
Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
Last updated at May 29, 2023 by Teachoo
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
Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class