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JEE Main & Advanced Physics Rotational Motion Question Bank Self Evaluation Test - System of Particles Rotational Motion

  • question_answer
    A body A of mass M while falling vertically downwards under gravity breaks into two parts; f a body B of mass - M and a body C of mass - M. The canter of mass of bodies B and C taken together shifts compared to that of body A

    A) does not shift

    B) depends on height of breaking

    C) towards body B

    D) towards body C

    Correct Answer: A

    Solution :

    [a] Does not shift as no external force acts. The centre of mass of the system continues its original path. It is only the internal forces which comes into play while breaking.


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