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If we imagine two ideally smooth surface...

If we imagine two ideally smooth surfaces & if they are kept in contact, the frictional force acting between them is,

A

zero

B

a small finite value but not zero

C

very high

D

We can't predict

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-LAWS OF MOTION-EXERCISE - I
  1. Match the items mentioned in the lists I and II below LIST -1 a) S...

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  2. With increase of temperature, the frictional force acting between two ...

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  3. If we imagine two ideally smooth surfaces & if they are kept in contac...

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  4. The angle made by the resultant of normal reaction and limiting value ...

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  5. Two bodies of different masses are dropped simultaneously from same he...

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  6. A block of mass M is being pulley along horizontal surface .The coeffi...

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  7. A cycle is fitted with small brakes and another is fitted with very bi...

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  8. (A) : When a bicycle is in motion, the force of friction exerted by th...

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  9. In the figure, masses m(1), m(2) and M are 20kg, 5kg, and 50kg respect...

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  10. Two masses m(1) and m(2) (m(1) gt m(2)) are falling from the same he...

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  11. Which of the following is correct

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  12. Explain why a high pressure tyre roll more easily than a low pressure ...

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  13. Matching block type LIST - I (a) Two rotating discs are brought...

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  14. The limiting friction between two bodies in contact is independent of

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  15. (A) : When external force acting on a body moving on a rough horizonta...

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  16. Lubrication reduces friction because

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  17. A cyclist pedals the cycle for some time and then stops peddling, then

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  18. The limiting friction between two surfaces depends

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  19. A block 'B' rests on 'A'. A rests on a horizontal surface 'C which is ...

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  20. To keep a particle moving with constant velocity on a frictionless hor...

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