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  1. What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero?

    2. A.

     Remains constant
    B.

     Becomes zero
    C.

     Increases exponentially
    D.

     None of the above

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    Answer : Option A

    Explanation :

    If net external torque on a system is zero, then the angular momentum of the system can not change. If net external torque on a system is zero, then the angular momentum of the system remains same.

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