CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2006

  • question_answer
    A stone of mass m tied to a string of length\[l\]is rotating along a circular path with constant speed v. The torque on the stone is:

    A)  \[mlv\]               

    B)         \[\frac{mv}{l}\]

    C)  \[\frac{m{{v}^{2}}}{l}\]

    D)         \[m{{v}^{2}}l\]

    E)  zero

    Correct Answer: E

    Solution :

    Torque acting on a body in circular motion is zero.


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