Home
Class 12
PHYSICS
On applying a constant torque on a body-...

On applying a constant torque on a body-

A

linear velocity increases

B

angular velocity may increase or decrease

C

it will rotate with constant angular velocity

D

it will move with constant velocit2

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MOTION

    MOTION|Exercise Exercise - 2|40 Videos
  • ROTATIONAL MOTION

    MOTION|Exercise Exercise - 3 ( Section-A )|46 Videos
  • ROTATIONAL MOTION

    MOTION|Exercise Exercise - 3 ( Section-B )|24 Videos
  • RAY OPTICS

    MOTION|Exercise Exercise-4|38 Videos
  • SEMI CONDUCTOR AND LOGIC GATES

    MOTION|Exercise EXERCISE 3|34 Videos

Similar Questions

Explore conceptually related problems

A flywheel rotating at a speed of 600 rpm about its axis is brough to rest by applying a constant torque for 10 seconds. Find the angular deceleration and angular velocity 5 second after the application of the torque.

A wheel rotating at a speed of 120 rpm about its axis is brought to rest by applying a constant torque for 4 s . Find the number of revolutions completed by the wheel before stop.

A wheel rotating ast a speed of 600 rpm (revolutions per minute) about its axis ils brought to rest by applying a constant torque for 10 seconds. Find the angular deceleration and the anglular velocilty 5 seconds after the application of the torque.

A rod is hinged at its centre and rotated by applying a constant torque starting from rest. The power developed by the external torque as a function of time is :

If a constant torque acts on a body, the body?

The velocity of a body moving in a straight line is increased by applying a constant force F, for some distance in the direction of the motion. Prove that the increase in the kinetic energy of the body is equal to the work done by the force on the body.

A body rotating at 20rad//s is acted upon by a constant torque providing it a deceleration of 2rad//s^(2) . At what time will the body have kinetic energy same as the initial value if thhe torque continues to act?

A body rotating at 20 ad/s is acted uponby a constant torque providing it a deceleration of 2rad/s^2 . At what time will the body have kinetic energy same as the initial value if the torque angular speed?

Torque on a Rigid Body

MOTION-ROTATIONAL MOTION -Exercise - 1
  1. A disc of radius 2m and mass 200kg is acted upon by a torque 100N-m. I...

    Text Solution

    |

  2. The dimensions of torque are :

    Text Solution

    |

  3. On applying a constant torque on a body-

    Text Solution

    |

  4. A wheel starting with angular velocity of 10 radian/sec acquires angu...

    Text Solution

    |

  5. When a steady toqrue or couple acts on a body, the body

    Text Solution

    |

  6. The radius of gyration of a body depends upon

    Text Solution

    |

  7. Equivalent to force in rotational motion is

    Text Solution

    |

  8. Torque/moment of inertia equals to

    Text Solution

    |

  9. The angular velocity of a body is vec (omega)- = 2 hat(i) + 3 hat(j) ...

    Text Solution

    |

  10. A force of (2 hati - 4 hatj + 2 hatk )N act a point (3 hati+2 hatj -4 ...

    Text Solution

    |

  11. A wheel has moment of inertia 5 xx 10^(-3) kg m^(2) and is making 20 "...

    Text Solution

    |

  12. The moment of inertia of a body about a given axis of rotation depends...

    Text Solution

    |

  13. Two rotating bodies have same angular momentum but their moments of in...

    Text Solution

    |

  14. the flywheel is so constructed that the entire mass of it is concentra...

    Text Solution

    |

  15. A stone attached to one end of string is revolved around a stick so th...

    Text Solution

    |

  16. The graph between the angular momentum J and angular velocity omega w...

    Text Solution

    |

  17. Which of the following pairs do not correctly matched ?

    Text Solution

    |

  18. A rotating table completes one rotation is 10 sec. and its moment of i...

    Text Solution

    |

  19. All the particles of a rigid rotating body move in a circular path whe...

    Text Solution

    |

  20. On meltng of ice on the pole of the earth, its moment of inertia will ...

    Text Solution

    |