2
Question
Give two ways of increasing and reducing friction.
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Solution
A) Ways to increase friction are:
I. Making a rough surface
II. Increasing applied force.
B) Ways to reduce friction are:
I. Use of lubricants
II. Use of ball bearings and rollers.
I. Making a rough surface
II. Increasing applied force.
B) Ways to reduce friction are:
I. Use of lubricants
II. Use of ball bearings and rollers.
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