Question

give reason ball are used in most mehanical structure which have moving parts

Answer 1

hey... here is your answer
-balls are used in mechanical structures to reduce friction;wear and tear..
small metal balls made of stainless steel,brass etc.are place btw moving surfaces...
hope this will help u....
plz mark this as brainlist......

Answer 2

Ball or you can say spherical shaped parts are usually used for most mechanical structures because of the following reasons
1. friction HELPS in its motion of rotation
2. they can be made small in size
3. most mechanical structures require rotating belts etc where a spherical rotating object comes handy