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
Get live Maths 1-on-1 Classs - Class 6 to 12
Last updated at March 7, 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
Get live Maths 1-on-1 Classs - Class 6 to 12