Home
Class 12
PHYSICS
The moment of inertia of a body is 2.5 k...

The moment of inertia of a body is `2.5 kg m^(2)`. Calculate the torque required to produce an angular acceleration of `18 rad s^(-2)` in the body.

A

47 Nm

B

50 Nm

C

55 Nm

D

45 Nm

Text Solution

Verified by Experts

The correct Answer is:
D
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

8 kg wheel has radius of gyration (1/4) m. The torque required to give it an angular acceleration of 4 rad//s^(2) , is

Moment of inertia of a body is 1 kg m2. If the body makes 2 revolutions per second, when its angular momentum is

The moment of inertia of the body about an axis is 1.2 kg m^(2) . Initially the body is at rest. In order to produce a rotational kinetic energy of 1500J, an angualr acceleration of 25 rad/s^(2) must be applied about the axis for the duration of

The moment of inertia of a body about a given axis is 1.2 kg m^(2) . Initially, the body is at rest. In order to produce a rotational KE of 1500 j , for how much duration, an acceleration of 25 rad s^(-2) must be applied about that axis ?

The moment of inertia of a body about a given axis is 1.2 kg m^(2) . Initially, the body is at rest. In order to produce a rotational KE of 1500 J , for how much duration, an acceleration of 25 rad s^(-2) must be applied about that axis ?

The moment of inertia of a flywheel is 4 kg m^(2) . What angular acceleration will be produced in it by applying a torque of 10 Nm on it?

Moment of inertia of a body about a given axis is 1.5 kg m^(2) . Initially the body is at rest. In order to produce a rotational kinetic energy of 1200 J, the angular acceleration of 20 rad//s^(2) must be applied about the axis for a duration of _________ (in sec).

The fly wheel of a motor has a moment of inertia of 90 kg-m^(2) . If the motor produces a constant torque of 270 N-m, then the angular acceleration produced in the fly wheel.

TARGET PUBLICATION-ROTATIONAL MOTION -MCQ
  1. The dimensions of torque are the same as that of

    Text Solution

    |

  2. A particle of mass M and radius of gyration K is rotating with angular...

    Text Solution

    |

  3. The moment of inertia of a body is 2.5 kg m^(2). Calculate the torque ...

    Text Solution

    |

  4. If a constant torque of 500 Nm turns a wheel of moment of inertia 100 ...

    Text Solution

    |

  5. A torque of magnitude 2000 Nm acting on a body produces an angular acc...

    Text Solution

    |

  6. A fly wheel of M.I. 0.32 kg m^(2) is rotated steadily at 120 rad/s by ...

    Text Solution

    |

  7. A motor rotates at a constant speed of 25 rev/s. The power delivered b...

    Text Solution

    |

  8. A sphere cannot roll on

    Text Solution

    |

  9. Which of the following conditions is true for a rigid body rolling wit...

    Text Solution

    |

  10. A solid sphere of mass 10 kg and diameter 5 cm rolls without slipping ...

    Text Solution

    |

  11. A solid sphere at the top of an inclined plane 0.6 m high is released ...

    Text Solution

    |

  12. A thin uniform circular ring is rolling down an inclined plane of incl...

    Text Solution

    |

  13. Which of the following statements is true in case of the principle of ...

    Text Solution

    |

  14. State and prove theorem of perpendicular axes.

    Text Solution

    |

  15. State and prove theorem of parallel axes.

    Text Solution

    |

  16. M.I. of a thin uniform circular disc about one of the diameters is I. ...

    Text Solution

    |

  17. The moment of inertia of a circular loop of radius R, at a distance of...

    Text Solution

    |

  18. A solid cylinder of mass M and radius R rolls without slipping on a fl...

    Text Solution

    |

  19. The moment of inertia of a cylinder of radius R, length L and mass M a...

    Text Solution

    |

  20. Three uniform thin rods, each of mass 1 kg and length sqrt3\ m, are pl...

    Text Solution

    |