Home
Class 12
PHYSICS
An object comprises of a uniform ring of...

An object comprises of a uniform ring of radius `R` and its uniform chord `AB` (not necessarity made of the same material) as shown. Which of the following can not be the centre of mass of the object?

A

(R/3, R/3)

B

(R/3, R/2)

C

(R/4, R/4)

D

`(R // sqrt2, R/ sqrt2)`

Text Solution

Verified by Experts

The correct Answer is:
B, D
Promotional Banner

Topper's Solved these Questions

  • CENTRE OF MASS

    MOTION|Exercise Exercise - 3 Level-I|34 Videos

  • CENTRE OF MASS

    MOTION|Exercise Exercise - 3 Level-II|16 Videos

  • CENTRE OF MASS

    MOTION|Exercise Exercise - 2 (Level-I)|40 Videos

  • Capacitance

    MOTION|Exercise EXERCISE -4 LEVEL II|19 Videos

  • CIRCULAR MOTION

    MOTION|Exercise EXERCISE - 4|16 Videos

Similar Questions

Explore conceptually related problems

An object comprises of a uniform ring of radius R and its uniform chord AB (not necessarily made of the same material) as shown. Which of the following can not be the centre of mass of object

For a uniform ring of mass M and radius R at its centre

Find the centre of mass of a uniform semicircular ring of radius R and mass M .

there is a rod AB of uniform cross section and its centre is C. In which of the following case(s) centre of mass of the rod may lie at C.

A uniform solid right circular cone of base radius R is joined to a uniform solid hemisphere of radius R and of the same density, as shown. The centre of mass of the composite solid lies at the centre of base of the cone. The height of the cone is

A rod is made of uniform material and has non-uniform cross section. It is fixed at both the ends as shown and heated at mid-section. Which of the following are not correct?

Three thin uniform rods made of same material are joined as shown. Locate c.m .

Find moment of inertia of a uniform ring (mass m, radius r) about chord AA' at distance R/2 from center.

A quarter ring of radius R is having uniform charge density lambda . Find the electric field and potential at the centre of the ring.

A solid sphere of radius R is placed on a cube of side 2R. Both are made of same material. Find the distance of their centre of mass fro the interface.

MOTION-CENTRE OF MASS-Exercise - 2 (Level-II)
  1. A body has its centre of maas at the origin. The x-coordinates of the ...

    Text Solution

    |

  2. An object comprises of a uniform ring of radius R and its uniform chor...

    Text Solution

    |

  3. In which o the following cases the centre of mass of a rod is certainl...

    Text Solution

    |

  4. If the external forces acting on a system have zero resultant, the cen...

    Text Solution

    |

  5. A body has its centre of maas at the origin. The x-coordinates of the ...

    Text Solution

    |

  6. In which of the following cases the centre of mass of a rod is certain...

    Text Solution

    |

  7. A particle of mass m moving horizontal with v(0) strikes a smooth wedg...

    Text Solution

    |

  8. A particle of mass m moving horizontal with v(0) strikes a smooth wedg...

    Text Solution

    |

  9. A particle of mass m moving horizontal with v(0) strikes a smooth wedg...

    Text Solution

    |

  10. A particle of mass m moving horizontal with v(0) strikes a smooth wedg...

    Text Solution

    |

  11. A particle of mass m moving horizontal with v(0) strikes a smooth wedg...

    Text Solution

    |

  12. A particle of mass m moving horizontal with v(0) strikes a smooth wedg...

    Text Solution

    |

  13. A particle of mass m moving horizontal with v(0) strikes a smooth wedg...

    Text Solution

    |

  14. Two identical balls are interconnected with a massless and inextensibl...

    Text Solution

    |

  15. Two blocks A (5kg) and B(2kg) attached to the ends of a spring constan...

    Text Solution

    |

  16. Figure shows three identical blocks 1,2 & 3 each of mass m kept on fri...

    Text Solution

    |

  17. Two blocks A and B each of mass m are connected by a light spring of n...

    Text Solution

    |

  18. Two blocks of mass m(1) and m(2), resting on a frictionless table, are...

    Text Solution

    |

  19. For a two body system in absence of external forces, the kinetic ener...

    Text Solution

    |

  20. Two ball A and B having masses 1kg and 2kg, moving with speeds 21m//s ...

    Text Solution

    |