Question

what is ball bearing? how does a ball bearing reduce friction ?explain it with the help of an example
plz plz give me wright ans plz plz ​

Answer 1

Answer:

Ball bearing reduce friction because they roll rather than slide. Because the balls are rolling they have a much lower coefficient of friction than if two flat surfaces were sliding against each other.

Answer 2

Answer:

Ball bearing reduce friction because they roll rather than slide. Because the balls are rolling they have a much lower coefficient of friction than if two flat surfaces were sliding against each other.

Example is Roller skates, skateboards etc

Hope iT helped.