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Consider the following statements A) T...

Consider the following statements
A) The coefficient of friction between two surfaces will increase if the surfaces are made rough.
B) rolling friction is more than sliding friction

A

Both A and B are true

B

Both A and B are false

C

A is false and B is true

D

B is false and A is true

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The correct Answer is:
D
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AAKASH SERIES-LAWS OF MOTION-EXERCISE - I
  1. The contact force exerted by a body A on another body B is equal to th...

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  2. A block is placed on a rough floor and a horizontal force F is applie...

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  3. Consider the following statements A) The coefficient of friction bet...

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  4. The kinetic friction is always A) Less than static friction B) Gre...

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  5. Consider the following statements A) Angle of repose is equal to ang...

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  6. Identify the correct order in which the value of normal reaction incre...

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  7. Identify the correct order in which the value of normal reaction incre...

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  8. Consider the following A and B, and identify the correct choice in the...

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  9. A body is kept on a rough horizontal surface of angle of friction ' al...

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  10. Two blocks A and B are pressed against a vertical wall by applying a h...

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  11. A man thinks to remain in equilibrium by pushing in his hands and feet...

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  12. A vehicle moves safe on a rough, curved and unbanked road. Then a) T...

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  13. A block of mass 'M' is pressed against a wall with a horizontal force ...

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  14. A block of mass 2 kg rests on a rough inclined plane making an angle o...

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  15. (A) : A car can run on road because of force applied by road on the ca...

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  16. A particle is acted upon by a force of constant magnitude which is alw...

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  17. A particle is acted upon by a force of constant magnitude which is alw...

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  18. A mass is revolving in a circle which lies in a plane of paper. The di...

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  19. A particle of mass mis tied to a light string and rotated with a speed...

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  20. Suppose a disc is rotating counter clockwise in the plane of the paper...

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