Home
Class 12
PHYSICS
The torque required to stop a wheel havi...

The torque required to stop a wheel having moment of inertia `5xx10^(-3)kgm^(2)` from a speed of `10` radian `s^(-1)` in `20s` is

A

`2.5 Nm`

B

`2.5xx10^(-2)Nm`

C

`2.5xx10^(-3)Nm`

D

`0.25 Nm`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH INSTITUTE|Exercise Assignment (Section - B) Objective Type Questions (One option is correct)|57 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH INSTITUTE|Exercise Assignment (Section - C) Objective Type Questions (More than one option are correct)|28 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH INSTITUTE|Exercise Illustration|4 Videos

  • SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS

    AAKASH INSTITUTE|Exercise Assignment (Section-D (Assertion and reason))|5 Videos

  • TEST 1

    AAKASH INSTITUTE|Exercise EXERCISE|9 Videos
AAKASH INSTITUTE-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-Assignment (Section - A) Objective Type Questions (One option is correct)
  1. The angular velocity of a body is vecomega=3hati+5hatj+6hatk("radian"/...

    Text Solution

    |

  2. When a solid cylinder rolls without slipping the ratio of kinetic ener...

    Text Solution

    |

  3. The torque required to stop a wheel having moment of inertia 5xx10^(-3...

    Text Solution

    |

  4. The position vector of a point is (3hati-2hatj+6hatk)m. The i^(th) com...

    Text Solution

    |

  5. A particle performing uniform circular motion gas angular momentum L. ...

    Text Solution

    |

  6. A thin wire of length l and mass m is bent in the form of a semicircle...

    Text Solution

    |

  7. A constant torque acting on a uniform circular wheel changes its angul...

    Text Solution

    |

  8. Which of the following is correct ? (symbols have their ususal meaning...

    Text Solution

    |

  9. A dancer on ice spins faster when she folds her arms due to

    Text Solution

    |

  10. A solid sphere of radius r and mass m rotates about an axis passing th...

    Text Solution

    |

  11. The moment of inertia of a solid cylinder of density rho, radius of ba...

    Text Solution

    |

  12. A man is sitting on a rotating stool with his arms outstretched. If su...

    Text Solution

    |

  13. Radius of gyration has the unit

    Text Solution

    |

  14. A bomb at rest explodes. The centre of mass

    Text Solution

    |

  15. If vecA*vecB=|vecAxxvecB|. Then angle between vecA and vecB is

    Text Solution

    |

  16. Write SI unit of angular momentum:

    Text Solution

    |

  17. If vecomega=2hati-3hatj+4hatk and vecr=2hati-3hatj+2hatk then the line...

    Text Solution

    |

  18. The moment of inertia of a body does not depend on

    Text Solution

    |

  19. A solid sphere, disc and solid cylinder, all of the same mass, are all...

    Text Solution

    |

  20. A body of mass m slides down an smooth incline and reaches the bottom ...

    Text Solution

    |