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Friction is minimized by
- a)polishing and lubrication
- b)streamlining
- c)use of wheels and ball bearings
- d)all of these
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
Friction is minimized bya)polishing and lubricationb)streamliningc)use...
Option (d) all of these is correct answer.
Friction is a force that resists the relative motion or tendency of objects to slide or roll along a surface. It can be minimized by various methods such as polishing and lubrication, streamlining, and the use of wheels and ball bearings.
Polishing and lubrication involve smoothing and coating the surfaces of objects in order to reduce the roughness and increase the smoothness of their contact, which can help to reduce the amount of friction between them.
Streamlining refers to the design of objects to reduce drag or resistance to motion through a fluid, such as air or water. Streamlining can help to minimize friction by reducing the amount of resistance that an object encounters as it moves through a fluid.
The use of wheels and ball bearings allows objects to roll rather than slide, which can significantly reduce the amount of friction involved in their movement. Ball bearings in particular allow objects to rotate smoothly and with minimal resistance, making them ideal for use in a wide range of applications where reduced friction is desired.
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Friction is minimized bya)polishing and lubricationb)streamliningc)use of wheels and ball bearingsd)all of theseCorrect answer is option 'D'. Can you explain this answer?
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Friction is minimized bya)polishing and lubricationb)streamliningc)use of wheels and ball bearingsd)all of theseCorrect answer is option 'D'. Can you explain this answer? for Class 8 2024 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about Friction is minimized bya)polishing and lubricationb)streamliningc)use of wheels and ball bearingsd)all of theseCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 8 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Friction is minimized bya)polishing and lubricationb)streamliningc)use of wheels and ball bearingsd)all of theseCorrect answer is option 'D'. Can you explain this answer?.
Friction is minimized bya)polishing and lubricationb)streamliningc)use of wheels and ball bearingsd)all of theseCorrect answer is option 'D'. Can you explain this answer? for Class 8 2024 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about Friction is minimized bya)polishing and lubricationb)streamliningc)use of wheels and ball bearingsd)all of theseCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 8 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Friction is minimized bya)polishing and lubricationb)streamliningc)use of wheels and ball bearingsd)all of theseCorrect answer is option 'D'. Can you explain this answer?.
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