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Comment on the statement ‘friction is ne...

Comment on the statement ‘friction is necessary evil’.

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MBD PUBLICATION-FRICTION-QUISTION BANK
  1. Is a large brake on a bicycle wheel more effective than a small one ?

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  2. Why are vehicles provided with wheels and- ball bearing ?

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  3. Comment on the statement ‘friction is necessary evil’.

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  4. It is easier to than push.

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  5. How does a lubricant help in decreasing friction ?

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  6. To slide a heavy box, we generally left it a bit to place a metallic p...

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  7. Why has a horse to pull a cart harder during the first few steps of hi...

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  8. How do we save petrol when the tyres of the motor cycle are fully infl...

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  9. Write down the dimensional formula of force of friction

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  10. Write down the mathematical expression for coefficient of static frict...

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  11. Write down the mathematical expression for coefficient of kinetic fric...

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  12. Write down the mathematical expression for coefficient of static frict...

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  13. What is the slope of the graph attained by plotting of dynamic frictio...

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  14. What is static friction ?

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  15. What is kinetic friction ?

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  16. Discuss the statement “friction is a necessary evil”.

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  17. Why surface of tyres are made rough.

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  18. What is maximum value of coefficient static friction ?

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  19. What is nature of surface if coefficient friction is zero.

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  20. Is it possible to have musgt1 in nature ?

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