Home
Class 11
PHYSICS
A body is rotating on a steady rate. Is ...

A body is rotating on a steady rate. Is a torque acting on the body? Why?

Text Solution

Verified by Experts

No. Torque is required only for producing angular acceleration.
Promotional Banner

Topper's Solved these Questions

  • SIMPLE HARMONIC MOTION

    PATHFINDER|Exercise QUESTION BANK |114 Videos
  • THERMODYNAMICS,BEHAVIOUR OF PERFECT GAS AND KINETIC THEORY OF GASES AND HEAT TRANSFER

    PATHFINDER|Exercise QUESTION BANK|163 Videos

Similar Questions

Explore conceptually related problems

A body is floating on a liquid. The upthrust by the liquid acting on the body is

A body is moving along a circular path such that its speed always remains constant. Should there be a force acting on the body?

A body is moving along a circular path such that its speed always remains constant. Should there be any force acting on the body.

A body is floating partially immersed in a liquid. If the body and the liquid are taken to the moon the body will

If the moment of inertia of a body rotating about an axis is increased, state whether its angular velocity increases or decreases when no external torque acts on the body.

A body of mass m is rotated along a circular path of radius r with uniform speed v. Centripetal force acting on the body is (mv^(2))/(r ) . If the body travels through a semicircular path, then what will be the work done by the centripetal force?

A force F acts on a stationary body of mass m for a time t. Show that, the kinetic energy of the body iin that time =(F^2t^2)/(2m) .

A body in motion is acted upon by a force. Will the body stop at the moment of withdrawal of the force?

PATHFINDER-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-QUESTION BANK
  1. Two particles of masses 3 kg and 2kg are located at (-6hati+4hatj-2hat...

    Text Solution

    |

  2. What is the other name for angular momentum

    Text Solution

    |

  3. A body is rotating on a steady rate. Is a torque acting on the body? W...

    Text Solution

    |

  4. Why a boy has to lean toward left while carrying a heavy bag in his ri...

    Text Solution

    |

  5. "The mass of a flywheel is concentrated on the rim ". Why ?

    Text Solution

    |

  6. A particle of mass M has an acceleration of 3m//s^2 in the Y direction...

    Text Solution

    |

  7. What physical quantity is represented by the product of moment of iner...

    Text Solution

    |

  8. Is moment of inertia a scalar or vector quantity?

    Text Solution

    |

  9. Energy of 484 J is spent in increasing the speed of flywheel from 60 r...

    Text Solution

    |

  10. A fly wheel is revolving with constant angular velocity. A chip of its...

    Text Solution

    |

  11. A 10 kg boy standing on a 40 kg boat floating on water is 20 m from th...

    Text Solution

    |

  12. A particle performing uniform circular motion has angular momentum L. ...

    Text Solution

    |

  13. What will be the duration of the day if the earth suddenly shrinks to ...

    Text Solution

    |

  14. If an automobile engine develops a power of 7.5xx10^4 W when rotating ...

    Text Solution

    |

  15. If the earth were to suddenly contract to 1/n th of its present radius...

    Text Solution

    |

  16. Distinguish between centre of mass and centre of gravity.

    Text Solution

    |

  17. The angular speed of a motor wheel is increased from 1200 rpm to 3120 ...

    Text Solution

    |

  18. The angular speed of a motor wheel is increased from 1200 rpm to 3120 ...

    Text Solution

    |

  19. A hoop of radius 2 m weighs 100 kg. It rolls along a horizontal floor ...

    Text Solution

    |

  20. A cord of negligible mass is wound round the rim of a flywheel of mass...

    Text Solution

    |