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JIPMER Jipmer Medical Solved Paper-2014

  • question_answer
    If applied torque on a system is zero, i.e., t = 0, then for that system

    A)  \[\omega =0\]                 

    B)  \[\alpha =0\]

    C)  \[J=0\]

    D)         \[F=0\]

    Correct Answer: B

    Solution :

    We know that, Torque (r) = moment of inertia (I) \[\times \]             Agular acceleration (\[\alpha \]) As, \[\tau =0,\] so, either I or \[\alpha =0\] but \[I\ne 0\] \[\therefore \,\,\alpha =0.\]


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