Home
Class 12
PHYSICS
When torque acting on a rotating body is...

When torque acting on a rotating body is zero, then which of the following remains constant?

A

force

B

Linear momentum

C

Angular momentum

D

All of the above

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2019

    TARGET PUBLICATION|Exercise MCQ|45 Videos

  • SEMICONDUCTORS

    TARGET PUBLICATION|Exercise Evaluation Test|17 Videos

Similar Questions

Explore conceptually related problems

When there is no external torque acting on a rotating body, which of the following quantities can change ? (i) Angular acceleration (ii) Angular momentum (iii) Angular speed.

If the torque acting on a system is zero then, which of the followin quantities is conserced ?

When a torque acting upon a system is zero, which of the following will be constant ?

If there is no external force acting on a nonrigid body, which of the followhng quantities must remain constant?

If v be the instantaneous velocity of the body dropped from the top of a power, when it is located at height h , then which of the following remains constant?

When a body is acted by a constant force, then which of the following quantities remains constant

When there is no external torque acting on a body moving in an elliptical path, which of the following quantities remain constant ?

TARGET PUBLICATION-ROTATIONAL MOTION -MCQ
  1. A solid sphere is rotating freely about its symmetry axis in free spac...

    Text Solution

    |

  2. A fly wheel is rotating with a definite angular velocity. Suddenly a f...

    Text Solution

    |

  3. When torque acting on a rotating body is zero, then which of the follo...

    Text Solution

    |

  4. Dimensions of angular momentum are

    Text Solution

    |

  5. The angular momentum of a rigid body is

    Text Solution

    |

  6. The rate of change of angular momentum is called

    Text Solution

    |

  7. By keeping moment of inertia of a body constant, if we double the time...

    Text Solution

    |

  8. fixed point, its angular momentum is directed along When a mass is rot...

    Text Solution

    |

  9. A thin horizontal circular disc is rotating about a vertical axis pass...

    Text Solution

    |

  10. Two rotating bodies A and B of masses m and 2m with moments of inertia...

    Text Solution

    |

  11. If there is change of angular momentum from 1 J to 4 J in 4 second, th...

    Text Solution

    |

  12. The speed of a fan having moment of inertia 0.06kg.m^(2) is increased ...

    Text Solution

    |

  13. A solid sphere and a thin spherical shell of same radius rotate about ...

    Text Solution

    |

  14. The kinetic energy of a body ia 4 joule and its moment of inertia is 2...

    Text Solution

    |

  15. The moment of inertia of a ring about an axis passing though the centr...

    Text Solution

    |

  16. A thin circular ring of mass M and radius R is rotating about its a...

    Text Solution

    |

  17. A bob of mass m attached to an inextensible string of length I is susp...

    Text Solution

    |

  18. A thin uniform circular disc of mass M and radius R is rotating in a h...

    Text Solution

    |

  19. A disc of the moment of inertia 'l(1)' is rotating in horizontal pl...

    Text Solution

    |

  20. A hoop of radius r and mass m rotating with an angular velocity omega0...

    Text Solution

    |