science medium true/false

True or False: Angular momentum is conserved when net external torque is zero.

  1. True
  2. False

Answer: True

Conservation of angular momentum: if τ_ext = 0, L = constant. Explains ice-skater spin, planetary motion, gyroscopes. Fundamental rotational dynamics principle. [[NCERT Physics Class 11]]

Topic Physics - Mechanics
Exam Relevance Railway JE, SSC JE, Banking Specialist Officer

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