Explain four methods by which friction between two solid surfaces in contact can be reduced.
Answers
Answered by
1
Answer:
Answer: The four methods by which friction between two solid surfaces in contact can be reduced are: By polishing – Polishing a rough surface smoothens it and reduces the friction. By lubrication – Lubricating the surface with oil, grease or graphite decreases the friction between two surfaces.
Answered by
2
Answer:
Polishing, Lubrication, Use of ball bearings, Streamlining the surface
Explanation:
Friction can be reduced by
- applying lubricants on the surface
- polishing the surfaces
- using ball bearings or rolling-element
- streamlining the surface, this will reduce the area of contact between the
two surfaces
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