Question

7. Describe two ways by which friction can be reduced.
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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.

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Answer 2

Explanation:

step 1 : Make the surfaces smoother. Rough surfaces produce more friction and smooth surfaces reduce friction.

step 2 : Lubrication is another way to make a surface smoother. ...

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