Home
Class 11
PHYSICS
Very thin ring of radius R is rotated ab...

Very thin ring of radius R is rotated about its centre. Its radius will

A

Increase

B

Decrease

C

Change depends on the material

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Due to centrifugal force.
Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MOTION

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Angular Momentum)|52 Videos

  • ROTATIONAL MOTION

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Work, Energy and Power)|44 Videos

  • ROTATIONAL MOTION

    ERRORLESS|Exercise NCERT BASED QUESTIONS (Angular Displacement, Velocity and Acceleration)|34 Videos

  • NEWTON'S LAWS OF MOTION

    ERRORLESS|Exercise ASSERTION & REASON |18 Videos

  • SIMPLE HARMONIC MOTION

    ERRORLESS|Exercise Assertion & Reason|15 Videos

Similar Questions

Explore conceptually related problems

A uniformly charged ring of radius R is rotated about its axis with constant linear speed v of each of its particle. The ratio of electric field to magnetic field at a point P on the axis of the ring distant x=R from centre of ring is ( c is speed of light )

Charge q is uniformly spread on a thin ring of radius R. The ring rotates about its axis with a uniform frequency f Hz. The magnitude of magnetic induction at the center of the ring is:

A charge q is spread uniformly over an isolated ring of radius 'R'. The ring is rotated about its natural axis and has magnetic dipole moment of the ring as M. Angular velocity of rotation is

A thin circular ring of mass M and radius R is rotating about its axis with constant angular velocity omega . The objects each of mass m are attached gently to the ring. The wheel now rotates with an angular velocity.

A thin circular ring of mass m and radius R is rotating about its axis perpendicular to the plane of the ring with a constant angular velocity omega . Two point particleseach of mass M are attached gently to the opposite end of a diameter of the ring. The ring now rotates, with an angular velocity (omega)/2 . Then the ratio m/M is

A thin circular ring of mass m and radius R is rotating about its axis with a constant angular velocity omega . Two objects each of mass M are attached gently to the opposite ends of a diameter of the ring. The ring now rotates with an angular velocity omega' =

A thin circular ring of mass M and radius R is rotating about its axis with a constant angular velocity omega. Four objects each of mass m, are kept gently to the opposite ends of two perpendicular diameters of the ring. The angular velocity of the ring will be

ERRORLESS-ROTATIONAL MOTION-NCERT BASED QUESTIONS (Moment of Inertia)
  1. A constant torque of 1000 N-m turns a wheel of moment of inertia 200 k...

    Text Solution

    |

  2. A torque of 30 N-m is acting on a wheel of mass 5 kg and moment of ine...

    Text Solution

    |

  3. Very thin ring of radius R is rotated about its centre. Its radius wil...

    Text Solution

    |

  4. In the figure (i) half of the meter scale is made of wood while the ot...

    Text Solution

    |

  5. A force F = 2 N acts on a particle P in the xz-plane. The force F is p...

    Text Solution

    |

  6. A cord of negligible mass is wound around the rim of a wheel of radius...

    Text Solution

    |

  7. A wheel having moment of inertia 2 kg m^(2) about its vertical axis, r...

    Text Solution

    |

  8. A force vec(F)= 4 hat(i)- 5 hat(j) + 3 hat(k) is acting a point vec(r)...

    Text Solution

    |

  9. What will happen to the weight of the body at the south pole, if the e...

    Text Solution

    |

  10. A ladder rests against a frictionless vertical wall, with its upper en...

    Text Solution

    |

  11. A string is wound round the rim of a mounted flywheel of mass 20 kg an...

    Text Solution

    |

  12. The instantaneous angular position of a point on a rotating wheel is g...

    Text Solution

    |

  13. ABC is an equilateral with O as its centre vecF(1), vecF(2) and vecF(3...

    Text Solution

    |

  14. The total torque about pivot A provided by the forces shown in the fig...

    Text Solution

    |

  15. A solid cylinder of mass 50 kg and radius 0.5 m is free to rotate abou...

    Text Solution

    |

  16. An autmobile moves on road with a speed of 54 km//h. The radius of its...

    Text Solution

    |

  17. A rod of weight w is supported by two parallel knife edges A and B and...

    Text Solution

    |

  18. A solid sphere of mass m rolls without slipping on an inclined plain o...

    Text Solution

    |

  19. A wheel of radius R with an axle of radius R/2 is shown in the figure ...

    Text Solution

    |

  20. Consider two masses with m(1) gt m(2) connected by a light inextensibl...

    Text Solution

    |