Q. Which of the following is NOT a method to reduce friction?
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Correct Answer: (C)
throwing sand on the ground
Explanation: Some of the ways of reducing friction are:
1. By polishing
2. By lubrication
3. By proper selection of materials
4. By streamlining
5. By using ball bearings
Explanation by: Mr. Dubey
Some of the ways of reducing friction are:
1. By polishing
2. By lubrication
3. By proper selection of materials
4. By streamlining
5. By using ball bearings
1. By polishing
2. By lubrication
3. By proper selection of materials
4. By streamlining
5. By using ball bearings