CBSE Class 8 Answered
give 1 method is to increase and decrease frictional force between 2 surfaces?
Asked by phemantkumarreddyhr | 27 Feb, 2019, 07:15: PM
Expert Answer
To increase the friction we need to roughen the surfaces
To decrease the friction we needd to make the surfaces smooth or apply lubrication
Answered by Thiyagarajan K | 27 Feb, 2019, 09:13: PM
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