Home
Class 11
PHYSICS
In pur rolling, fraction of its total en...

In pur rolling, fraction of its total energy associatedd with rotation is `alpha` for a ring and `beta` for a solid sphere. Then

A

`alpha=(1)/(2)`

B

`alpha=(1)/(4)`

C

`beta=(2)/(5)`

D

`beta=(2)/(7)`

Text Solution

Verified by Experts

The correct Answer is:
A, D
Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MOTION

    DC PANDEY|Exercise Comprehension Type Questions|41 Videos

  • ROTATIONAL MOTION

    DC PANDEY|Exercise Matrix Matching Type Questions|17 Videos

  • ROTATIONAL MOTION

    DC PANDEY|Exercise A Only One Option is Correct|86 Videos

  • ROTATIONAL MECHANICS

    DC PANDEY|Exercise Subjective Questions|2 Videos

  • SEMICONDUCTORS AND ELECTRONIC DEVICES

    DC PANDEY|Exercise More than One Option is Correct|3 Videos

Similar Questions

Explore conceptually related problems

In pure rolling fraction of its total energy associated with rotation is alpha for a ring and beta for a solid sphere . Then (1) alpha = 1//2 " " (2) beta = 2//7 " " (3) beta = 2//5 " " (4) alpha = 1//4

If a spherical ball rolls on a table without slipping, the fraction of its total energy associated with rotation is

When a body is under pure rolling, the fraction of its total kinetic energy which is the purely rotational is 2/5. Identify the body.

The increasing order of fraction of total kinetic energy associated with translatory motion of the following rolling bodies is (I) circular ring ,(II) circular plate (III) solid sphere ,(IV) hollow sphere

Ratio of rotational K.E. to rolling KE. of a solid sphere is

A loop rolls down on an inclined plane. The fraction of its kinetic energy that is associated with only the rotational motion is.

A circular disc rolls down on an inclined plane. The fraction of its total rolling energy associated with its rotational energy is,

The ratio of rotational and translatory kinetic energies of a solid sphere is

DC PANDEY-ROTATIONAL MOTION-More than one option is correct
  1. A constant force F is applied at the top of a ring as shown in figure....

    Text Solution

    |

  2. The moment of inertia of a thin square plate ABCD of uniform thickness...

    Text Solution

    |

  3. In pur rolling, fraction of its total energy associatedd with rotation...

    Text Solution

    |

  4. The end B of the rod AB which makes angle theta with the floor is bein...

    Text Solution

    |

  5. A disc can roll wihtout slippingg, without applying any external force...

    Text Solution

    |

  6. A ring of radius R rolls on a horizontal ground with linear speed v an...

    Text Solution

    |

  7. If a circular concentric hole is made on a disc then about an axis pas...

    Text Solution

    |

  8. A uniform disc is rotating at a constantt speed in a vertical plane ab...

    Text Solution

    |

  9. A spherical body of radius R rolls on a horizontal surface with linear...

    Text Solution

    |

  10. A solid cylinder of mass M and radius R pure rolls on a rough surface ...

    Text Solution

    |

  11. A solid sphere of radius R is rolled by a force F acting at the topo o...

    Text Solution

    |

  12. A disc of mass M and radius R moves in the x-y plane as shown in the f...

    Text Solution

    |

  13. Four particle of mass m each are placed at four corners of a square AB...

    Text Solution

    |

  14. Two forces F(1) " and " F(2) are acting on a rod abc as shown in figu...

    Text Solution

    |

  15. A block with a square base measuring axxa and height h, is placed on a...

    Text Solution

    |

  16. A wheel ( to be considered as a ring ) of mass m and radius R rolls wi...

    Text Solution

    |

  17. A uniform thin rod AB of mass M and length l attached to a string OA o...

    Text Solution

    |

  18. A ball is projected with velocityd of 20sqrt(2) m/s at an angle of 45^...

    Text Solution

    |

  19. A rigid rod of mass m slides along a fixed circular track followed by ...

    Text Solution

    |

  20. A massless spool of inner radius r outer radius R is placed against a ...

    Text Solution

    |