Easy MCQ +4 / -1

Angular momentum of a system is conserved when:

  1. A the net force is zero
  2. B the net external torque is zero Correct answer
  3. C velocity is constant
  4. D mass is constant

Solution

$\frac{dL}{dt} = \tau_{ext}$; zero external torque ⇒ $L$ conserved.

About this question

Subject: Physics · Chapter: Rotational Motion · Topic: Conservation of Angular Momentum

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