Question

Which of the following can be used to reduce friction

Answer 1

Explanation:

• 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

Basically first you should no want is friction friction can be because of dust and can be any iregularity in the surface

To Increase Friction

We can clean the floar to increase friction

Like if you visit some newly made shops you must has observed that there your foot sleeps because Floor is newly made and it is clean

1.) You can use new shoes with good soul to reduce friction

2)

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