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

  • question_answer
    A solid sphere is rolling on a surface as shown in figure, with a translational velocity \[v\,m\,{{s}^{-1}}.\] If it is to climb the inclined surface continuing to roll without slipping, then minimum velocity for this to happen is        
                                                                                                                     [JEE ONLINE 12-05-2012]
                                                            

    A)        \[\sqrt{2gh}\]                

    B)  \[\sqrt{\frac{7}{5}gh}\]

    C)  \[\sqrt{\frac{7}{2}gh}\] 

    D)       \[\sqrt{\frac{10}{7}gh}\]

    Correct Answer: D

    Solution :

    [d] Minimum velocity for a body rolling without slipping
                For solid sphere,
               


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