Physics, asked by sunilkumardang, 11 months ago

Give reason:
1Ballbearings are used in many machine parts
2 sand is strewn on roads in mountains after heavy snowfall.
3 Greece is applied in bicycle parts time to time.

Answers

Answered by KARTHIKK10412

5

Explanation:

ball bearings will convert sliding friction to rolling friction 3.Greece is applied to cycle parts to move them freely Greece will reduce friction

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