Question

Give reason ball bearings are used in some machines

Answer 1

It is used in the machines to reduce friction, because we all know that rolling friction is smaller than sliding friction and ball-bearings are the things that changes the sliding friction into rolling friction. Examples: Ball-bearings are used in cycles and machines in many industries.

Hey friend If it helps you then mark my answer as brainliest If not then give feedback in comment section....

Answer 2

Ball bearings are used in machines which have lot of movement in their working process. Ball bearings reduce 5he friction during motion ,so that efficiency of the machines is increased ,and they move in a smooth manner.

please mark me as brainlist