Question

9. Give two examples of the use of ball bearings. Name the friction which comesinto play​

Answer 1

Answer:

Examples of ball bearing :-

1) Ball bearings used in fans

2) Ball bearings used in bicycle .

Actually there are 4 types of friction to reduce the friction

1) Polishing

2) Lubricants

3) Ball bearing

4) Streamline

Ball bearing is used to reduce the friction between two bodies .

Answer 2

HLO MATE HERE IS UR ANSWER

❤. Ball bearings used in wheels of motor vehicles

❤. Cycles

❤. shafts of motors

❤. dynamos are provided with ball bearings to reduce the friction

HOPE THIS WILL HELP U

@ RUDEDOLL❤❤❤