Question

solve this problem. ​

Answer 1

Answer:

Here's ur answer mate...

Reducing friction

Explanation:

Hope it helps u......

Answer 2

$\huge\mathfrak\orange{Answer:}$

Ball bearings are used between different parts of machine .It's main purpose is to reduce friction.

Hence , the answer is C

Explanation :

Ball bearing is a type of rolling machine or a part of a machine that keeps different larts of machines separated and hence reduces friction. Ball bearings are used in doing this to protect different parts of machines to rub against each other and cause damage to each other. Ball bearings use balls at it to perform its function.

➖➖➖➖➖➖➖➖➖➖➖