Home
Class 11
PHYSICS
A ring of radius 'r' and mass per unit l...

A ring of radius 'r' and mass per unit length 'm' rotates with an angular velocity `'omega'` in free space then :

A

Tension in ring is zero

B

Tension will vary at all points

C

Tension is constant throughout ring

D

Tension in string is `m omega^(2)r^(2)`

Text Solution

Verified by Experts

The correct Answer is:
c,d
Promotional Banner

Topper's Solved these Questions

  • FORCE ANALYSIS

    ANURAG MISHRA|Exercise Level-3|49 Videos

  • FORCE ANALYSIS

    ANURAG MISHRA|Exercise Matching type|13 Videos

  • FORCE ANALYSIS

    ANURAG MISHRA|Exercise level 1|103 Videos

  • DESCRIPTION OF MOTION

    ANURAG MISHRA|Exercise Level-3|34 Videos

  • IMPULSE AND MOMENTUM

    ANURAG MISHRA|Exercise matching|3 Videos

Similar Questions

Explore conceptually related problems

A ring of mass m and radius R is being rotated about its axis with angular velocity omega . If a increases then tension in ring

A ring of mass m and radius R is being rotated about its axis with constant angular velocity omega in the gravity free space. Find tension in the ring.

A conducting ring of radius R has charge Q distributed unevenly over it. If it rotates with an angular velocity omega , the equivalent current will be

A ring of radius R is first rotated with an angular velocity omega and then carefully placed on a rough horizontal surface. The coefficient of friction between the surface and the ring is mu . Time after which its angular speed is reduced to half is

A non-conducting ring of radius R has charge Q distributed unevenly over it. If it rotates with an angular velocity omega the equivalent current will be:

There is a ring of radius r having linear charge density lambda and rotating with a uniform angular velocity omega. the magnetic field produced by this ring at its own centre would be

A hoop of radius r and mass m rotating with an angular velocity omega_0 is placed on a rough horizontal surface. The initial velocity of the centre of the hoop is zero. What will be the velocity of the centre of the hoop when it ceases ot slip?

A string has a linear mass density mu . The ends of the string are joined to form a closed loop and is given the shape of a circular ring of radius R. this ring is now rotated about its axis with an angular velocity omega Q. The velocity of the transverse wave set up in the string, with respect to an observer at the centre of

A horizontal ring of radius r spins about its axis with an angular velocity omega in a uniform vertical magnetic field of magnitude B . The emf induced in the ring is

A charge Q is spread uniformly over an insulated ring of radius R .What is the magnetic moment of the ring if it is rotated with an angluar velocity omega about its axis?

ANURAG MISHRA-FORCE ANALYSIS-Level-2
  1. A particle of mass m describe circular path of radius 'r' and its radi...

    Text Solution

    |

  2. A particle of mass 'm' describes circular path of radius 'r' such that...

    Text Solution

    |

  3. Three particles describes circular path of radii r(1),r(2) and r(3) wi...

    Text Solution

    |

  4. A particle of mass m describes a circular path of radius 'r' such that...

    Text Solution

    |

  5. A ring of radius 'r' and mass per unit length 'm' rotates with an angu...

    Text Solution

    |

  6. A body moves on a horizontal circular road of radius of r, with a tang...

    Text Solution

    |

  7. A simple pendulum has a bob of mass m and swings with an angular ampli...

    Text Solution

    |

  8. A particle of mass m moves along a circle of 'R'. The modulus of the a...

    Text Solution

    |

  9. A particle 'A' moves along a circle of radius R = 50 cm, so that its r...

    Text Solution

    |

  10. Two bodies are moving with constant speed v clockwise and are initiall...

    Text Solution

    |

  11. A particle P is attached by means of two equal strings to two points A...

    Text Solution

    |

  12. A particle is acted upon by constant magnitude force perpendicular to ...

    Text Solution

    |

  13. A particle of mass m moves in a conservative force field along x axis ...

    Text Solution

    |

  14. Two blocks of masses m(i) = 2kg and m(2) = 4kg hang, over a massless p...

    Text Solution

    |

  15. Which of the following is/are incorrect :

    Text Solution

    |

  16. A spring block system is placed on a rough horizontal floor. The block...

    Text Solution

    |

  17. In the above situation the block will have maximum velocity when :

    Text Solution

    |

  18. A book leans against a crate on a table. Neither is moving Which of th...

    Text Solution

    |

  19. An iron sphere weighing 10N rests in a V shaped smooth trough whose si...

    Text Solution

    |

  20. In the system shown in the figure m(1) gt m(2). System is held at rest...

    Text Solution

    |