Home
Class 11
PHYSICS
A block is at rest on an inclined plane ...

A block is at rest on an inclined plane making an angle `alpha` with the horizontal . As the angle `alpha` of the incline is increased the block starts slipping when the angle of inclination becomes `theta`. The coefficient of static friction between the block and the surface of the inclined plane is or A body starts sliding down at an angle `theta` to the horizontal. Then the coefficient of friction is equal to

A

`sintheta`

B

`costheta`

C

`tantheta`

D

independent of `theta`

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

A block is at rest on an inclined plane making an angle alpha with the horizontal. As the angle of the incline is increased the block start slipping when the angle of inclination becomes theta then coefficient of friction is equal to

A box is lying on an inclined plane if the box slides when the angle of inclination is 60^(@) then the coefficient of static friction of the box and the plane is?

A block of mass m is placed at rest on an inclination theta to the horizontal.If the coefficient of friction between the block and the plane is mu , then the total force the inclined plane exerts on the block is

A block has been placed on an inclined plane with the slope angle theta . Block slide down the plane at constant speed. The cofficient of Kinetic friction is equal to

A block is about to slide down an inclined plane when its inclination to the horizontal is theta . If now a 5 kg weight is attached on the block :

A block of mass 2kg rests on a rough inclined plane making an angle of 30^@ with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is

A block sliding down on a rough 45^(@) inclined planes has half the velocity it would have been, the inclined plane is smooth. The coefficient of sliding friction between the the block and the inclined plane is

A block of mass m moves with constant speed down the inclined plane of inclination theta . Find the coefficient of kinetic friction.

ERRORLESS -FRICTION-MCQ S
  1. When a body is lying on a rough inclined plane and does not move, the ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  11. A body of mass 100 g is sliding from an inclined plane of inclination ...

    Text Solution

    |

  12. A body takes just twice the time as long to slide down a plane incline...

    Text Solution

    |

  13. A brick of mass 2kg begins to slide down on a plane inclined at an ang...

    Text Solution

    |

  14. The upper half of an inclined plane with inclination phi is perfectly ...

    Text Solution

    |

  15. A body is sliding down an inclined plane having coefficient of frictio...

    Text Solution

    |

  16. A body of mass 10 kg is lying on a rough plane inclined at an angle of...

    Text Solution

    |

  17. A block of mass 1 kg slides down on a rough inclined plane of inclinat...

    Text Solution

    |

  18. A block of mass 10 kg is placed on an inclined plane when the angle of...

    Text Solution

    |

  19. A body of 5 kg weight kept on a rough inclined plane of angle 30^(@) s...

    Text Solution

    |

  20. 300 Jof work is done in slide a 2kg block up an inclined plane of heig...

    Text Solution

    |