Home
Class 12
PHYSICS
The angular momentum of a body is 31.4js...

The angular momentum of a body is 31.4js and its rate of rotation is 10 hz. calculate moment of inertia of the body about given axis of rotation.

Promotional Banner

Topper's Solved these Questions

  • MOTION IN A STRAIGHT LINE

    MBD PUBLICATION|Exercise QUESTION BANK|193 Videos

  • MOVING CHARGES AND MAGNETISM

    MBD PUBLICATION|Exercise QUESTION BANK|148 Videos

Similar Questions

Explore conceptually related problems

If axis of rotation not given, does moment of inertia bear a meaning ?

The uniform wire of length I and mass m is bent in the form of circle , calculate moment of inertia of ring about an axis passing through its center and perpendicular to its length.

The moment of inertia of body about an axis of rotation is 150 kgm^2 .calculate the angular acceleration produced in it when a torque of magnitude 30Nm acts on it .

Show that radius of gyration is the root mean square value of distances of various particles of a body from the axis of rotation.

MBD PUBLICATION-MOTION OF SYSTEM OF PARTICLES AND RIGID BODY-QUESTION BANK
  1. A body whose moment of inertia is 3 kgm^2 , is at rest . it is rotated...

    Text Solution

    |

  2. solid sphere of mass 5 kg and radius 1 m is rotating about an axis pas...

    Text Solution

    |

  3. The angular momentum of a body is 31.4js and its rate of rotation is 1...

    Text Solution

    |

  4. The radius of gyration of a body about an axis at a distance of 6 cm f...

    Text Solution

    |

  5. A flywheel in the from of disc is initially at rest . when a constant ...

    Text Solution

    |

  6. Locate the centre of mass of a system of two spherical masses of 5 kg ...

    Text Solution

    |

  7. Four particles of masses 5kg,3kg,2kg and 4kg are placed in the X-Y pla...

    Text Solution

    |

  8. Two mass particles of masses 1 kg and 2kg have coordinates (2,-3) and ...

    Text Solution

    |

  9. Three identical spheres reach of mass m are placed touching each other...

    Text Solution

    |

  10. The moment of inertia of body about an axis of rotation is 150 kgm^2.c...

    Text Solution

    |

  11. If radius of the sphere is doubled by keeping its mass constant, then ...

    Text Solution

    |

  12. If radius of the sphere is doubled by keeping its mass constant, then ...

    Text Solution

    |

  13. The radius of gyration of a ring about a tangent and axis perpendicula...

    Text Solution

    |

  14. Ratio of radius of gyration of a thin uniform circular disc about the ...

    Text Solution

    |

  15. A torque of magnitude 400 Nm acting on a body of mass 40kg produces an...

    Text Solution

    |

  16. A thin uniform disc of radius 4cm will have radius of gyration of abou...

    Text Solution

    |

  17. A wheel of mass 1000kg has M,I. of 160 kgm^2 about its own axis . the ...

    Text Solution

    |

  18. The moment of inertia of earth as a homogenous sphere of average densi...

    Text Solution

    |

  19. Angular momentum of a body changes by 100 kgm^2/s , when its angular v...

    Text Solution

    |

  20. Two circular coins have masses in the ratio 1:2 and diameters in the r...

    Text Solution

    |