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in Physics by (51.8k points)
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Which are the following occation friction is beneficial and non beneficial

1. striking a match stick on the side of a match box

2. wear and tear of machines. 

3. ability to hold objects 

4. wearing out of tyres 

5. walking 

6. loss of fuel

1 Answer

+1 vote
by (49.3k points)
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Best answer

Beneficial : 1, 3, 5

non beneficial : 2, 4, 6

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