Home
Class 11
PHYSICS
The force required to move a body up a r...

The force required to move a body up a rough inclined plane is double the force required to prevent the body from sliding down the plane. The coefficient of friction when the angle of inclination of the plane is `60^(@)` is .

A

`(1)/(sqrt2)`

B

`(1)/(sqrt3)`

C

`(1)/(2)`

D

`(1)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
`F_(down) =mg (sin theta - mu_(k) cos theta)`
Promotional Banner

Topper's Solved these Questions

  • NEWTONS LAWS OF MOTION

    NARAYNA|Exercise LEVEL -III|31 Videos

  • NEWTONS LAWS OF MOTION

    NARAYNA|Exercise NCERT BASED QUESTION|33 Videos

  • NEWTONS LAWS OF MOTION

    NARAYNA|Exercise LEVEL -I (C.W)|47 Videos

  • MOTION IN A STRAIGHT LINE

    NARAYNA|Exercise Level 2 H.W|29 Videos

  • OSCILLATIONS

    NARAYNA|Exercise EXERCISE - IV|41 Videos

Similar Questions

Explore conceptually related problems

The force required just to move a body up an inclined plane is double the force required just to prevent the body sliding down. If the coefficient of friction is 0.25 , the angle of inclination of the plane is

The force required to just move a body up the inclined plane is double the force required to just prevent the body from sliding down the plane. The coefficient of friction is mu . If theta is the angle of inclination of the plane than tan theta is equal to

The force F_(1) required to just moving a body up an inclined plane is double the force F_(2) required to just prevent the body from sliding down the plane. The coefficient of friction is mu . The inclination theta of the plane is :

In the situation shown, the force required to just move a body up an inclined plane is double the force required to just prevent the body from sliding down the plane. The coefficient of friction between the block and plane is mu . The angle of inclination of the plane from horizontal is given by :

The minimum force required to move a body up on an inclined plane is three times the minimum force required to prevent it from sliding down the plane. If the coefficient of friction between the body and the inclined plane is 1/(2sqrt3) the angle of the inclined plane is

The minimum force required to move a body up an inclined plane of inclination 30° is found to be thrice the minimum force required to prevent if from sliding down the plane. The co-efficient of friction between the body and the plane is -

The force required to just move a body up an inclined plane is double the force the required prevent it from sliding down. If phi is angle of friction and theta is the angle which incline makes with the horizontal then,

The acceleration of a moving body down a rough inclined plane is

The force F_(1) that is necessary to move a body up an inclined plane is double the force F_(2) that is necessary to just prevent it form sliding down, then:

NARAYNA-NEWTONS LAWS OF MOTION-LEVEL -II (C.W)
  1. A block slides down a rough inclined plane of slope angle theta with a...

    Text Solution

    |

  2. The minimum force required to start pushing a body up rough (frictiona...

    Text Solution

    |

  3. The horizontal acceleration that should be given to a smooth inclined ...

    Text Solution

    |

  4. A body is released from the top of a smooth inclined plane of inclinat...

    Text Solution

    |

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

    Text Solution

    |

  6. A smooth block is released at rest on a 45^(@) incline and then slides...

    Text Solution

    |

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

    Text Solution

    |

  8. A 30kg box has to move up an inclined plane of slope 30^(@) the horizo...

    Text Solution

    |

  9. A block weighing 10kg is at rest on a horizontal table. The coefficien...

    Text Solution

    |

  10. Pulling force making an angle theta to the horizontal is applied on a ...

    Text Solution

    |

  11. A block of mass sqrt3 kg is kept on a frictional surface with mu =(1)/...

    Text Solution

    |

  12. A car is moving in a circular horizonta track of radius 10m with a con...

    Text Solution

    |

  13. A vehicle in moving with a velocity v on a carved total of width b and...

    Text Solution

    |

  14. The centripetal force required for a 1000 kg car travelling at 36kmph...

    Text Solution

    |

  15. A small coin is placed on a flat horizontal turn table. The turn table...

    Text Solution

    |

  16. A particle of mass m is suspended from a ceiling through a string of l...

    Text Solution

    |

  17. Three point masses each of mass m are joined together using a string t...

    Text Solution

    |

  18. A steel wire can withstand a load up to 2940N. A load of 150 kg is sus...

    Text Solution

    |

  19. A car is travelling along a curved road of radius r. If the coefficien...

    Text Solution

    |

  20. A boy of mass 50kg is standing on a weihing machine placed on the floo...

    Text Solution

    |