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Which of the following statements is not...

Which of the following statements is not true

A

The coefficient of friction between two surfaces increases as the surface in contact are made rough

B

The force of friction acts in a direction opposite to the applied force

C

Rolling friction is greater than sliding friction

D

The coefficient of friction between wood and wood is less than 1

Text Solution

Verified by Experts

The correct Answer is:
C
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ERRORLESS -FRICTION-MCQ S
  1. Which is a suitable method to decrease friction

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  2. A uniform rope of length L meters is lying over a table. If the coeffi...

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  3. Which of the following statements is not true

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  4. A block of 1 kg is stopped against a wall by applying a force F perpen...

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  5. A heavy uniform chain lies on a horizontal table-top. If the coefficie...

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  6. The blocks A and B are arranged as shown in the figure. The pulley is ...

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  7. Work done by a frictional force is

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  8. L changes partly from a table which is kept in equilibrium by friction...

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  9. When two surfaces are coated with a lubricant, then they

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  10. A 20 kg block is initially at rest on a rough horizontal surface. A h...

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  11. A block A with mass 100kg is resting on another block B of mass 200kg....

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  12. To avoid slipping while walking on ice, one should take smaller steps ...

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  13. A box is lying on an inclined plane what is the coefficient of static ...

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  14. A block of mass 2kg is kept on the floor. The coefficient of static fr...

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  15. Which one of the following is not used to reduce friction

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  16. If a ladder weighting 250 N is placed against a smooth vertical wall h...

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  17. A body of mass 2 kg is kept by pressing to a vertical wall by a force ...

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  18. A horizontal force of 10N is necessary to just hold a block stationary...

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  19. The coefficient of static friction, mu(s) between block A of mass 2 k...

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  20. If mass of A=10 kg, coefficent of static friction =0.2 coefficient of ...

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