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  3. BCECE Medical

BCECE Medical BCECE Medical Solved Papers-2013

  • question_answer
    Under a constant torque, the angular momentum of a body changes from A to 4 A in 4 s. The torque is

    A)  3 A     

    B)  \[\frac{1}{4}A\]

    C)  \[\frac{3}{4}A\]

    D)  \[\frac{4}{3}A\]

    Correct Answer: C

    Solution :

    Change in angular momentum = Torque x time \[\Rightarrow \] Torque \[=\frac{4\,A-A}{4}=\frac{3}{4}A\]


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