Home
Class 11
PHYSICS
From a circular disc of radius R and ...

From a circular disc of radius R and 9M , a small disc of mass M and radius `(R )/(3)` is removed concentrically .The moment of inertia of the remaining disc about and axis perpendicular to the plane of the disc and passing through its centre is

A

`frac(40)(9)MR^2`

B

`MR^2`

C

`4MR^2`

D

`frac(4)(9)MR^2`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • System of particles & rotational Motion

    SL ARORA|Exercise EXERCISE|353 Videos

  • ROTATIONAL MOTION

    SL ARORA|Exercise Problem for self practice|90 Videos

  • Thermal Properties of Matter

    SL ARORA|Exercise Exercise|449 Videos

Similar Questions

Explore conceptually related problems

Form a circular disc of radius R and mass 9M , a small disc of mass M and radius R/3 is removed concentrically . The moment of inertia of the remaining disc about an axis perpendicular to the the plane of the disc and passing its centre is :-

The moment of inertia of a uniform semicircular disc of mass M and radius r about a line perpendicular to the plane of the disc through the center is

The M.I. of a uniform semicircular disc of mass M and radius R about a line perpendicular to the plane of the disc and passing through the centre is

A thin disc of mass 9M and radius R from which a disc of radius R/3 is cut shown in figure. Then moment of inertia of the remaining disc about O, perpendicular to the plane of disc is -

A rectangular piece of dimension lxxb is cut out of central portion of a uniform circular disc of mass m and radius r. The moment of inertia of the remaining piece about an axis perpendicular to the plane of the disc and passing through its centre is :

The moment of inertia of a circular disc about an axis passing through the circumstances perpendicular to the plane of the disc is

Two thin discs each of mass M and radius r are attached as shown in figure, to from a rigid body. The rotational inertia of this body about an axis perpendicular to the plane of disc B and passing through its centre is : .

SL ARORA-System of particles & rotational Motion-EXERCISE
  1. Moment of inertia of a disc about an axis which is tangent and paralle...

    Text Solution

    |

  2. A sphere of mass 10 kg and radius 0.5 m rotates about a tangent. The m...

    Text Solution

    |

  3. From a circular disc of radius R and 9M , a small disc of mass...

    Text Solution

    |

  4. Let I1 and I2 be the moments of inertia of two bodies of identical ge...

    Text Solution

    |

  5. Two identical concentric rings each of mass m and radius R are placed ...

    Text Solution

    |

  6. Find the ratio of the radii of gyration of a circular disc and a circu...

    Text Solution

    |

  7. The radius of gyration of a disc of mass 100 g and radius 5 cm about a...

    Text Solution

    |

  8. A flywheel is attached to an engine to

    Text Solution

    |

  9. The angular momentum of a body with mass (m) moment of inertia (I) and...

    Text Solution

    |

  10. Moment of inertia of a body is 1 kg m2. If the body makes 2 revolution...

    Text Solution

    |

  11. A constant torque of 31.4 N-m id exterted on a pivoted wheel. If the a...

    Text Solution

    |

  12. A particle performs uniform circular motion with an angular momentum L...

    Text Solution

    |

  13. Two bodies have their moments of inertia I and 2 I respectively about ...

    Text Solution

    |

  14. The angular momentum of a system of particles is conserved

    Text Solution

    |

  15. The motion of planets in the solar system is an exmaple of the conserv...

    Text Solution

    |

  16. A diver in a swimming pool bends his head before diving, because it

    Text Solution

    |

  17. If a person standing on a rotating disc stretches out his hands, the a...

    Text Solution

    |

  18. A dancer is rotating on smooth horizontal floor with an angular moment...

    Text Solution

    |

  19. A round disc of moment of inertia I2 about its axis perpendicular to i...

    Text Solution

    |

  20. A uniform disc of mass M and radius R is rotating in a horizontal plan...

    Text Solution

    |