MCQ
The angular momentum of a system of particles is conserved ______ 
  • A
    When no external force acts upon the system
  • When no external torque acts upon the system
  • C
    When no external impulse acts upon the system
  • D
    When the axis of rotation remains the same 

Answer

Correct option: B.
When no external torque acts upon the system
The angular momentum of a system of particles is conserved When no external torque acts upon the system.

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