Home
Class 11
PHYSICS
The torque of the weight of any body abo...

The torque of the weight of any body about any vertical axis is zero. Is it always correct?

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MECHANICS

    HC VERMA ENGLISH|Exercise Exercises|86 Videos

  • REST AND MOTION : KINEMATICS

    HC VERMA ENGLISH|Exercise Question for short Answer|13 Videos

  • SIMPLE HARMONIC MOTION

    HC VERMA ENGLISH|Exercise Question for short Answer|15 Videos

Similar Questions

Explore conceptually related problems

A simple pendulum of length l is pulled aside to make an angle theta with the vertical. Find the magnitude of the torque of the weight w of the bob about the point of suspension. When is the torque zero?

Assertion : If the earth stops rotating about its axis, the value of the weight of the body at equator will decrease. Reason : The centripetal force does not act on the body at the equator.

Weight always acts vertically downwards

The net external torque on a system of particles about an axis is zero. Which of the following are compatible with it ?

The weight of a body will appear to be zero when

A : Power delivered by the tension in the wire to a body in vertical circle is always zero. R : Tension in the wire is equal to the centripetail force acting on the body doing vertical circular motion.

The torque acting on a particle about an arbitrary origin is zero, what can you say about its angular momentum' ?

A : The apparent weight of a body floating on the surface of a liquid is zero. R : The net force on a body floating on the surface of a liquid is zero.

A : For a body to be in rotational equilibrium the net torque acting on the body about any point is zero. R : For net torque to be zero, net force should also be zero.

If the resultant torque of all the forces acting on a body is zero about a point is it necessary that it will be zero about any other point?

HC VERMA ENGLISH-ROTATIONAL MECHANICS-Questions for short Answer
  1. A simple pendulum is a pont mass suspended by a light thread from a fi...

    Text Solution

    |

  2. In a rotating body a=alphar and v=omegar. Thus a/alpha=v/omega. Can yo...

    Text Solution

    |

  3. A ball is whirled in a circle by attaching it to a fixed point with a ...

    Text Solution

    |

  4. The moon rotates about the earth in such a way that only one hemispher...

    Text Solution

    |

  5. The torque of the weight of any body about any vertical axis is zero. ...

    Text Solution

    |

  6. The torque of a force vecF about a point is defined as vecGamma=vecrxx...

    Text Solution

    |

  7. A heavy particle of mass m falls freely near the earth's surface.Whati...

    Text Solution

    |

  8. If several forces act on a particle, the total torque on the particle ...

    Text Solution

    |

  9. If the sum of all the forces acting on a body is zero, is it necessari...

    Text Solution

    |

  10. If the angular momentum of a body is found to be zero about a point is...

    Text Solution

    |

  11. If the resultant torque of all the forces acting on a body is zero abo...

    Text Solution

    |

  12. A body is in translational equilibrium under the sctin of coplanar for...

    Text Solution

    |

  13. A rectangular brick is kept on a table with a part of its length proje...

    Text Solution

    |

  14. When a fat person tries to touch hit toes, keepig the legs straight he...

    Text Solution

    |

  15. A ladder is kept at rest with is upper end against a wall and the lowe...

    Text Solution

    |

  16. The density of a rod AB continuously increases from A to B. Is it easi...

    Text Solution

    |

  17. When tall buildings are constructed on earth, the duration of day nig...

    Text Solution

    |

  18. If the ice at the poles melts and flows towasrdsd the equato, how will...

    Text Solution

    |

  19. A hollow sphere, a solid sphere, a disc and a ring all having same mas...

    Text Solution

    |

  20. A sphere rolls on a horizontal surface. Is there any point of the sphe...

    Text Solution

    |