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When two surfaces are coated with a lubr...

When two surfaces are coated with a lubricant, then they

A

Stick to each other

B

Slide upon each other

C

Roll upon each other

D

None of these

Text Solution

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The correct Answer is:
B
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ERRORLESS -FRICTION-MCQ S
  1. Work done by a frictional force is

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

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

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

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

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

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

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

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

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

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

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

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

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

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  15. A uniform metal chain is placed on a rough table such that the one end...

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  16. A lift is moving down with an acceleration equal to the acceleration d...

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

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  18. Which one of the following statements is correct

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  19. The maximum speed that can be achieved without skidding by a car on a ...

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  20. A car is moving along a straight horizontal road with a speed v(0) . I...

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