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AMU Medical AMU Solved Paper-2015

  • question_answer
    A person sitting firmly over a rotating stool has his arms stretched. If he folds his arms, his angular momentum about the axis of rotation

    A)  increases

    B)  decreases

    C)  remains unchanged

    D)  doubles

    Correct Answer: C

    Solution :

                    A person sitting firmly over a rotating stool has his arms stretched and as he folds his arms, centre of mass remain unchanged and therefore, angular momentum about the axis of rotation remain unchanged.


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