Home
Class 12
PHYSICS
A disc is undergoing rolling on a horizo...

A disc is undergoing rolling on a horizontal surface. Which of the statement about angular momentum of the disc is incorrect ?

A

Angular momentum about `A` is conserved for any amount of roughness of surface

B

Angular momentum about `B` is conserved only if surface is smooth

C

Angular momentum about any point on the disc is conserved

D

All of these

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH INSTITUTE|Exercise Assignment (Section - C) Objective Type Questions (More than one option are correct)|28 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH INSTITUTE|Exercise Assignment (Section - D) Linked Comprehension Type Questions|20 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH INSTITUTE|Exercise Assignment (Section - A) Objective Type Questions (One option is correct)|62 Videos

  • SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS

    AAKASH INSTITUTE|Exercise Assignment (Section-D (Assertion and reason))|5 Videos

  • TEST 1

    AAKASH INSTITUTE|Exercise EXERCISE|9 Videos

Similar Questions

Explore conceptually related problems

A disc is rolling without sliding on a horizontal surface. Velocity of the centre of the disc is V . Then the maximum relative sped of any point on the circumference of the disc with respect to point P is.

A uniform circular disc of mass M and radius R rolls without slipping on a horizontal surface. If the velocity of its centre is v_0 , then the total angular momentum of the disc about a fixed point P at a height (3R)//2 above the centre C .

A disc of mass M and radius R is rolling with angular speed omega on a horizontal plane. The magnitude of angular momentum of the disc about a point on ground along the line of motion of disc is :

A disc of mass M and radius R is rolling with angular speed w on horizontal plane as shown. The magnitude of angular momentum of the disc about the origin O is :

A disc of mass M and Radius R is rolling with an angular speed omega on the horizontal plane. The magnitude of angular momentum of the disc about origin is:

A circular disc of radius r is rolling without slipping on a horizontal surface. What is the ratio of the translational KE and rotational KE of disc ?

A uniform circular disc of radius R is rolling on a horizontal surface. Determine the tangential velocity : at the upper most point

A disc is performing pure rolling on a smooth stationary surface with constant angular velocity as shown in Fig,. At any instant, for the lower most point of the disc,

A disc shaped body (having a hole shown in the figure) of mass m=10kg and radius R=10/9m is performing pure rolling motion on a rough horizontal surface. In the figure point O is geometrical center of the disc and at this instant the centre of mass C of the disc is at same horizontal level with O . The radius of gyration of the disc about an axis pasing through C and perpendicular to the plane of the disc is R/2 and at the insant shown the angular velocity of the disc is omega=sqrt(g/R) rad/sec in clockwise sence. g is gravitation acceleration =10m//s^(2) . Find angular acceleation alpha ( in rad//s^(2) ) of the disc at this instant.

AAKASH INSTITUTE-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-Assignment (Section - B) Objective Type Questions (One option is correct)
  1. The centre of a wheel rolling without slipping on a plane surface move...

    Text Solution

    |

  2. A disc of radius R and mass M is under pure rolling under the action o...

    Text Solution

    |

  3. A ring of mass m and radius R is acted upon by a force F as shown in t...

    Text Solution

    |

  4. A solid sphere of mass 2kg is pulled by a constant force acting at its...

    Text Solution

    |

  5. A hollow sphere is rolling without slipping on a rough surface. The ra...

    Text Solution

    |

  6. A cylinder is released from the top of an incline making angle theta=4...

    Text Solution

    |

  7. The minimum horizontal force applied to the centre of wheel of radius ...

    Text Solution

    |

  8. A solid cylinder is rolling without slipping with velocity of its cent...

    Text Solution

    |

  9. A cylinder is rolling without slipping on a plank which is also moving...

    Text Solution

    |

  10. Three identical rods A, B and C each having length l are in shape of l...

    Text Solution

    |

  11. A particle of mass m=3kg is projected at an angle of 45^(@) with the h...

    Text Solution

    |

  12. A thin circular ring of mass M and radius r is rotating about its ais ...

    Text Solution

    |

  13. A disc is undergoing rolling on a horizontal surface. Which of the sta...

    Text Solution

    |

  14. A theif is running with speed of 10m//s along the line y=10m. The x-y ...

    Text Solution

    |

  15. A rod AB of mass m and length L is rotating in horizontal plane about ...

    Text Solution

    |

  16. A uniform rod of mass M and length L is standing vertically along the ...

    Text Solution

    |

  17. A rod of mass m and length l hinged at the centre is placed on a horiz...

    Text Solution

    |

  18. Consider a body, shown in figure, consisting of two identical balls, e...

    Text Solution

    |

  19. A force vecF=(3hati+4hatj)N is acting on a point mass m=((1)/(2))kg at...

    Text Solution

    |

  20. If radius of the earth contracts to half of its present value without ...

    Text Solution

    |