AIPMT Mains 2009 (Mod.) physics questions with solutions

Showing 1–2 of 2 questions

• MCQmediumRotational Motionmoment of inertia and kinetic energy in pure rotation

  Three identical thin rings, each of mass m and radius r, are arranged as in the figure. Find the moment of inertia about vertical axis XX′ through the centre of the bottom ring and tangent to the two top rings.

  

  Options

  • Option A

    (7/2)mr²

  • Option B

    (5/2)mr²

  • Option C

    (3/2)mr²

  • Option D

    (1/2)mr²

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  AIPMT Mains 2009 (Mod.)NEET

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• MCQmediumRotational Motionquestion based on pure rotation about fixed axis

  A disc rotates with angular velocity ω about its axis without translation on a smooth surface. In the indicated clockwise rotation, the velocity of the bottom point B has magnitude and direction:

  

  Options

  • Option A

    -ωR towards left

  • Option B

    -ωR towards right

  • Option C

    +ωR towards left

  • Option D

    +ωR towards right

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  AIPMT Mains 2009 (Mod.)NEET

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