Home
Class 12
PHYSICS
A wheel having moment of inertia 4 kg m^...

A wheel having moment of inertia 4 kg `m^(2)` about its symmetrical axis, rotates at rate of 240 rpm about it. The torue which can stop the rotation of the wheel in one minute is

A

`(2F_(0))/(tanalpha)`

B

`(F_(0))/(sinalpha)`

C

`(2F_(0))/(cotalpha)`

D

`(F_(0))/(2 cos alpha)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • RACE

    ALLEN|Exercise Basic Maths (CIRCULAR MOTION)|17 Videos

  • RACE

    ALLEN|Exercise Basic Maths (COLLISION AND CENTRE OF MASS )|12 Videos

  • RACE

    ALLEN|Exercise Basic Maths (FRICTION)|14 Videos

  • NEWTONS LAWS OF MOTION

    ALLEN|Exercise EXERCISE-III|28 Videos

  • SIMPLE HARMONIC MOTION

    ALLEN|Exercise Example|1 Videos

Similar Questions

Explore conceptually related problems

A wheel having moment of inertia 4 kg m^(2) about its axis, rotates at rate of 240 rpm about it. The torque which can stop the rotation of the wheel in one minute is :-

A wheel having moment of inertia 2 "kg-m"^(2) about its vertical axis, rotates at the rate of 60 rpm about this axis. The torque which can stop the wheel's rotation in one minute would be

A wheel having moment of inertia 2 kg m^(2) about its vertical axis, rotates at the rate of 60rpm about this axis. The torque which can stop the wheel's rotation in one minute would be

A wheel having moment of inertia 2 kg m^2 about its axis, rotates at 50 rpm about this axis. Find the torque that can stop the wheel in one minute.

A wheel having moment of interia 2 kgm^(-2) about its axis, rotates at 50 rpm about this axis. The angular retardation that can stop the wheel in one minute is

A wheel having moment of inertia 2/π^2 kgm^2 is at rest. It is rotated by a 60 W ideal motor for one minute. The angular displacement traversed by the wheel in one minute is

Two discs, each having moment of inertia 5 kg m^(2) . about its central axis, rotating with speeds 10 rad s^(-1) and 20 rad s^(-1) , are brought in contact face to face with their axes of rotation coincided. The loss of kinetic energy in the process is

The rotational inertia of a disc about its geometrical axis does not depend upon its

A diver having a moment of inertia of 6.0 kg-m^2 about an axis through its centre of mass rotates at an angular speed of 2 rad/s about this axis. If he folds his hands and feet to decrease the moment of inertia to 5.0 kg-m^2 what will be the new angular speed?

The moment of inertia of a body about a given axis of rotation depends upon :-

ALLEN-RACE-Basic Maths (WORK POWER & ENERGY)
  1. A block of mass m is released on the top of a smooth inclined plane of...

    Text Solution

    |

  2. A particle of mass 0.1 kg is subjected to a force which varies with di...

    Text Solution

    |

  3. An unloaded bus can be stopped by applying brakes on straight road aft...

    Text Solution

    |

  4. A body of mass m, accelerates uniformly from rest to V(1) in time t(1)...

    Text Solution

    |

  5. A car of mass m has an engine which can deliver power P, The minimum t...

    Text Solution

    |

  6. The rate of doing work by force acting on a particle moving along x - ...

    Text Solution

    |

  7. An object starts from rest and is acted upon by a variable force F as ...

    Text Solution

    |

  8. Which of the following force is not conservative :-

    Text Solution

    |

  9. A disc of mass m and radius r is free to rotate about its centre as sh...

    Text Solution

    |

  10. A particle of mass m is projected with speed u at an angle theta with ...

    Text Solution

    |

  11. A cubical block of mass m and edge a slides down a rough inclned plane...

    Text Solution

    |

  12. The torpue of force vecF=-2hati+2hatj+3hatk acting on a point vecr=hat...

    Text Solution

    |

  13. Moment of a force of magnitude 20 N acting along positive x-direction ...

    Text Solution

    |

  14. A disc is rotating with angular velocity hatomega about its axis. A fo...

    Text Solution

    |

  15. When a torque acting upon a system is zero. Which of the following wil...

    Text Solution

    |

  16. Two men support a uniform rod of mass M and length L at its two ends. ...

    Text Solution

    |

  17. The thin rod shown below has mases M and length L. A force F acts at o...

    Text Solution

    |

  18. Two equal and opposite forces F are allplied tangentially to a uniform...

    Text Solution

    |

  19. A wheel having moment of inertia 4 kg m^(2) about its symmetrical axis...

    Text Solution

    |

  20. For equilibrium of the system, value of mass m should be

    Text Solution

    |