Question

4 ways to minimising friction​

Answer 1

$<div style="color: #FFFFFF; font: normal 18px arial, sans-serif; background-color: #347c17; border: #ff0000 4px solid; width: 70%; margin: 0 auto; padding: 4px 5px 3px 5px; -moz-border-radius: 17px; -webkit-border-radius: 17px; border-radius: 17px; -moz-box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.20); -webkit-box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.20); box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.20);"><marquee scrolldelay="250"><b><u>Hello</u> </b></marquee><p style="color:cyan;font-family:cursive;background:black;font size:40px;"></p><p style="color:blue;font-family:cursive;background:pink;font-size:30px;">Good Evening</p>1)making the surface of contact smooth.</p><p>2)attaching ball bearings if they are machine parts or by adding lubricants such as grease.</p><p>3)by making the motion of objects to be rolling than in sliding motion.$

Answer 2

Here you go

The three major ways in which friction can be reduced are:

• making the surface of contact smooth.
• attaching ball bearings if they are machine parts or by adding lubricants such as grease.
• by making the motion of objects to be rolling than in sliding motion.

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