Question

give one example to reduce the friction​

Answer 1

Answer:

There are several ways to reduce friction: The use of bearing surfaces that are themselves sacrificial, such as low shear materials, of which lead/copper journal bearings are an example. Replace sliding friction with rolling element friction, such as with the use of rolling element bearings.

Answer 2

Explanation:

replace sliding friction with rolling element friction,such as with the use of rolling element bearings.