Home
Class 11
PHYSICS
if mu(s),mu(k) and mu(r) are coefficeint...

if `mu_(s),mu_(k)` and `mu_(r)` are coefficeints of static friction, sliding friction and rolling friction, then.

A

`mu_(s) lt mu_(k) lt mu_(r)`

B

`mu_(k) lt mu_(r) lt mu_(s)`

C

`mu_(r) lt mu_(k) lt mu_(s)`

D

`mu_(r)=mu_(k)=mu_(s)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • FLUID MECHANICS

    ERRORLESS |Exercise Fluid Mechanics|19 Videos

  • GRAVITATION

    ERRORLESS |Exercise SET|27 Videos

Similar Questions

Explore conceptually related problems

Is rolling friction more than sliding friction ?

Why is sliding friction less than static friction?

Define : a. static friction b. dynamic friction c. rolling friction d. limiting friction

Out of sliding friction, static friction and rolling friction : Which one is the smallest ?

The coefficent of friction mu and the angle of friction lamda are related as

Out of sliding friction, static friction and rooling friction : which one is the largest ?

Explain why, sliding friction is less than static friction.

ERRORLESS -FRICTION-MCQ S
  1. A 60 kg weight is dragged on a horizontal surface by a rope upto 2 met...

    Text Solution

    |

  2. A car having a mass of 1000 kg is moving at a seed of 30 metres/sec. B...

    Text Solution

    |

  3. if mu(s),mu(k) and mu(r) are coefficeints of static friction, sliding ...

    Text Solution

    |

  4. A body of mass 5 kg rests on a rough horizontal surface of coefficient...

    Text Solution

    |

  5. A motorcycle is travelling on a curved track of radius 500 m. If the c...

    Text Solution

    |

  6. A fireman of mass 60 kg slides down a pole. He is pressing the pole wi...

    Text Solution

    |

  7. A block of mass m=5kg is resting on a rough horizontal surface for whi...

    Text Solution

    |

  8. A body is moving along a rough horizontal surface with an initial velo...

    Text Solution

    |

  9. Consider a car moving on a straight road with a speed of 100m//s. The ...

    Text Solution

    |

  10. A cylinder of 10 kg is sliding in a plane with an initial velocity of ...

    Text Solution

    |

  11. When a body is lying on a rough inclined plane and does not move, the ...

    Text Solution

    |

  12. When a body is placed on a rough plane inclined at an angle theta to t...

    Text Solution

    |

  13. A block is at rest on an inclined plane making an angle alpha with the...

    Text Solution

    |

  14. A given object taken n time more time to slide down 45^(@) rough incli...

    Text Solution

    |

  15. The force required just to move a body up an inclined plane is double ...

    Text Solution

    |

  16. Starting from rest , a body slides down at 45^(@) inclined plane in tw...

    Text Solution

    |

  17. The coefficient of friction between a body and the surface of an incli...

    Text Solution

    |

  18. A box is placed on an inclined plane and has to be pushed down.The ang...

    Text Solution

    |

  19. A force of 750 N is applied to a block of mass 102 kg to prevent it fr...

    Text Solution

    |

  20. A block is lying on an inclined plane which makes 60^(@) with the hor...

    Text Solution

    |