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On which factor the frictional force doe...

On which factor the frictional force does not depend?

A

Mass of the object

B

Type of material of the surface

C

Area of contact surface

D

None of these

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Area of contact surface
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KUMAR PRAKASHAN-FORCE AND LAWS OF MOTION-QUESTIONS AND ANSWERS( Choose the correct option from those given below each question :)
  1. Newton's second and third law lead to which Important law of physics?

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  2. For which type of surface magnitude of frietional force would be less?

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  3. On which factor the frictional force does not depend?

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  4. Which substance cannot be used to reduce friction?

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  5. How much acceleration is produced onapplying a force of 0.5 N on an ob...

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  6. What change would occur in acceleration. if the external force acting ...

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  7. Which of the following physical quantity is scalar?

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  8. If a force of 5N acts on an object of mass 2 kg for 2 s. then = what w...

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  9. If a constant force is applied to an object of mass 0.9 kg in stationa...

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  10. What is the momentum of an object of mass m, moving with a velocity v ...

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  11. Momentum of an object is 28 kg ms^(-1). If its velocity is 1.4 ms^(-1)...

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  12. A ball of mass m collides with the ground with velocity and then comes...

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  13. When is the momentum of an object zero?

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  14. kg ms^(-2) is the unit of which physical quan tity?

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  15. On applying force in opposite direction of motion of an object, what e...

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  16. On applying a force of 5N to an object, if acceleration equal to 10 ms...

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  17. A goalkeeper in the game of the football move his hands backwards in o...

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  18. Which of the following statements is not true for an object performing...

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  19. According to the Newton's third law of motion action free and reaction...

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  20. The object due to the property of Inertia can…..

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