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JEE Main & Advanced Physics Rotational Motion JEE PYQ-Rotational Motion

  • question_answer
    A homogeneous solid cylindrical roller of radius R and mass M is pulled on a cricket pitch by a horizontal force. Assuming rolling without    slipping, angular acceleration of the cylinder is-     [JEE Main 10-Jan-2019 Morning]

    A)   \[\frac{F}{2mR}\]        

    B)        \[\frac{2\,F}{3mR}\]

    C)   \[\frac{3\,F}{2mR}\]    

    D)        \[\frac{F}{3mR}\]

    Correct Answer: B

    Solution :

    [b]
      Note: In this question value of force and its point of application is not given so its answer cannot be given. We are giving its answer by assuming that F is applied at centre of cylinder.


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