Home
Class 11
PHYSICS
In both the figures all other factors ar...

In both the figures all other factors are same, except that in figure (i) `AB` is rough and `BC` is smooth while in figure (ii) `AB` is smooth and `BC` is rough. In figure (i), if a sphere is released from rest it starts rolling. Now consider the figure (ii), if same sphere is A released from top of the inclined plane, what will be the kinetic energy of the sphere on reaching the bottom:

A

is same in both the cases

B

is greater in case (i)

C

is greater in case (ii)

D

information is unsufficent

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MOTION

    DC PANDEY ENGLISH|Exercise More than one option is correct|36 Videos
  • ROTATIONAL MOTION

    DC PANDEY ENGLISH|Exercise Comprehension Type Questions|40 Videos
  • ROTATIONAL MOTION

    DC PANDEY ENGLISH|Exercise Integer Type Questions|17 Videos
  • ROTATIONAL MECHANICS

    DC PANDEY ENGLISH|Exercise Subjective Questions|2 Videos
  • SEMICONDUCTORS AND ELECTRONIC DEVICES

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

Similar Questions

Explore conceptually related problems

In both the figures, all other factors are same, except that in figure (i) AB is sufficiently rough and BC is smooth while in figure (ii) AB is smooth and BC is sufficiently rough. Kinetic energy of the ball on reaching the bottom:

Wedge shown in the figure is fixed . System is released from rest (Neglect friction )

A sphere is released on a smooth inclined plane from the top. When it moves down, its angular momentum is

A hollow sphere is released from top of an inclined plane of inclination 30º and length of inclined plane is /. If sphere rolls without slipping then its speed at bottom is

A solid iron sphere A rolls down an inclined plane. While an identical hollow sphere B of same mass sides down the plane in a frictionless manner. At the bottom of the inclined plane, the total kinetic energy of sphere A is.

An object of mass m is released from rest from the top of a smooth inclined plane of height h. Its speed at the bottom of the plane is proportional to

Two uniform solid spheres having unequal radii are released from rest from the same height on a rough incline. If the spheres roll without slipping

A hollow sphere and a solid sphere having same mass and same radii are rolled down a rough inclined plane.

A solid sphere, disc and solid cylinder, all of the same mass, are allowed to roll down (from rest) on inclined plane, them

Two uniform solid spheres having unequal radii are released from rest from the same height on a rough incline. the spheres roll without slipping

DC PANDEY ENGLISH-ROTATIONAL MOTION-A Only One Option is Correct
  1. A uniform cylinder of mass M and radius R rolls without slipping down ...

    Text Solution

    |

  2. A spool of mass M and radius 2R lies on an inclined plane as shown in ...

    Text Solution

    |

  3. In both the figures all other factors are same, except that in figure ...

    Text Solution

    |

  4. A ring of radius R is first rotated with an angular velocity omega and...

    Text Solution

    |

  5. A rod of length l is given two velocities v(1) and v(2) in opposite di...

    Text Solution

    |

  6. Two particles connected by a rigid light rod AB, lying on a smooth hor...

    Text Solution

    |

  7. A disc of radius r rolls without slipping on a rough horizontal floor....

    Text Solution

    |

  8. A flat rail road car is accelerating along the positive x-axis with an...

    Text Solution

    |

  9. A uniform ring of mass m and radius R is released from top of an incli...

    Text Solution

    |

  10. A wheel ios rolling without sliding on a horizontal surface. The centr...

    Text Solution

    |

  11. a uniform circular disc of radiu8s r placed on a roughn horizontal pla...

    Text Solution

    |

  12. A solid sphere of radius R is resting on a smooth horizontal surface. ...

    Text Solution

    |

  13. Four holes of radius R are cut from a thin square plate of side 4 R an...

    Text Solution

    |

  14. Choose the correct option: A wire of mass m and length l is bent in ...

    Text Solution

    |

  15. A uniform disc of radius R lies in x-y plane with its centre at origin...

    Text Solution

    |

  16. Two rods OA and OB of equal length and mass are lying on xy plane as s...

    Text Solution

    |

  17. Choose the correct option: A wire of length l and mass m is first be...

    Text Solution

    |

  18. Choose the correct option: A disc of radius R rolls on a horizontal ...

    Text Solution

    |

  19. A rod of length l slided down along the inclined wall as shown in figu...

    Text Solution

    |

  20. A disc of radius R rolls without slipping at speed v along positive x-...

    Text Solution

    |