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NEET Physics Rotational Motion NEET PYQ-Rotational Motion

  • question_answer
    When a mass is rotating in a plane about a fixed point, its angular momentum is directed along [AIPMT (S) 2012]

    A) a line perpendicular to the plane of rotation

    B) the line making an angle of \[{{45}^{o}}\] to the plane of rotation

    C) the radius

    D) the tangent to the orbit

    Correct Answer: A

    Solution :

    We knows \[L=m\,(r\times v)\]
    So here, angular momentum is directed along a line perpendicular to the plane of rotation.


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