Home
Class 11
PHYSICS
A block of mass m is resting on an incli...

A block of mass m is resting on an inclined plane. The inclination of the plane to the horizontal is gradually increased. It is found that when angle of inclination is `theta `, the block just begins to slide down the plane. What is the minimum force F applied parallel to the plane that would just make the block move up the plane?

A

`2mg sin theta`

B

`mg sin theta`

C

`mg cos theta`

D

`2 mg cos theta`

Text Solution

Verified by Experts

The correct Answer is:
A
`2mg sin theta`
Promotional Banner

Topper's Solved these Questions

  • LAWS OF MOTION

    MTG GUIDE|Exercise AIPMT /NEET (MCQ)|24 Videos

  • LAWS OF MOTION

    MTG GUIDE|Exercise NEET CAFÉ (TOPICWISE PRACTIVE QUESTIONS) (FRICTION)|27 Videos

  • KINEMATICS

    MTG GUIDE|Exercise AIPMT/ NEET MCQs|31 Videos

  • MOTION OF SYSTEM OF PARTICLES AND RIGID BODY

    MTG GUIDE|Exercise AIPMT / NEET (MCQs)|37 Videos

Similar Questions

Explore conceptually related problems

A block of mas M is resting on an inclined plane as shown in the figure. The inclination of the plane to the horizontal is gradually increased. It is found that when the angle of inclination is theta the block just begins to slide down the plane. What is the minimum force F applied parallel to the plane that would just make the block move up the plane ?

A block of mass 4kg rests on an an inclined plane. The inclination of the plane is gradually increased. It is found that when the inclination is 3 in 5 (sin=theta(3)/(5)) the block just begins to slide down the plane. The coefficient of friction between the block and the plane is.

A block of mass m is placed on a rough inclined plane. When the inclination of the plane is theta , the block just beging to slide down the plane under its own weight. The minimum force applied parallel to the plane, to move the block up the plane, is.

A block of mas m begins to slide down on an inclined plane of inclination theta . The force of friction will be

A block of mass m rests on a rough inclined plane. The coefficient of friction between the surface and the block is µ. At what angle of inclination theta of the plane to the horizontal will the block just start to slide down the plane?

A block of mass 10 kg is placed on an inclined plane when the angle of inclination is 30^(@) . The block just begins to slide down the plane. The force of static friction is

A box of mass 4kg rests upon an inclined plane This inclination is gradually incresed till the box starts sliding down the plane. At this stage slope of the plane is 1 in 3 Find coefficient of friction between the box and the plane What force applied to the box parallel to the plane will just make the box move up the plane ?

A block of mass 5 kg is placed on a rough inclined plane. The inclination of the plane is gradually increased till the block just begins to slide down. The inclination of the plane is than 3 in 5. The coefficient of friction between the block and the plane is (Take, g = 10m//s^(2) )

A block of mass m is placed on a smooth inclined plane of inclination theta with the horizontal. The force exerted by the plane on the block has a magnitude

MTG GUIDE-LAWS OF MOTION-CHECK YOUR NEET VITALS
  1. A block moves down a smooth inclined plane of inclination 45^@. Its ve...

    Text Solution

    |

  2. A spring balance carries a load. When the load is pulled aside so that...

    Text Solution

    |

  3. A block of mass m is resting on an inclined plane. The inclination of ...

    Text Solution

    |

  4. A stone tied to a string of length L is whirled in a vertical circle, ...

    Text Solution

    |

  5. A heavy small sized sphere is suspended by a string of length 2. The s...

    Text Solution

    |

  6. A body of mass 5 xx 10^(-3) kg is launched upon a rough inclined plane...

    Text Solution

    |

  7. The coefficient of kinetic friction between a 20 kg box and the floor ...

    Text Solution

    |

  8. A ball of mass 1 kg is thrown upwards with a velocity 10 ms^(-1) If ai...

    Text Solution

    |

  9. A 7 kg shell kept at rest suddenly splits up into three parts. If two ...

    Text Solution

    |

  10. A block released from rest from the top of a smooth inclined plane of ...

    Text Solution

    |

  11. A block of weight 8 kg is resting on a smooth horizontal plane. If it ...

    Text Solution

    |

  12. A stone is dropped from a height h. It hits the ground with a certain ...

    Text Solution

    |

  13. A stream of water flowing horizontally with a speed of 15 m s^(-1) gus...

    Text Solution

    |

  14. Which one of the following statements is not true ?

    Text Solution

    |

  15. A person in an elevator accelerating upwards with an acceleration of 2...

    Text Solution

    |

  16. Two masses of 5 kg and 3 kg are suspended with help of massless inexte...

    Text Solution

    |

  17. A block of mass M is held against a rough vertical wall by pressing it...

    Text Solution

    |

  18. There are four forces acting at a point P produced by strings as shown...

    Text Solution

    |

  19. A metre scale is moving with uniform velocity. This implies

    Text Solution

    |

  20. A 100 kg gun fires a ball of 1 kg horizontally from a cliff of height ...

    Text Solution

    |