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Question 6144
NEET Physics · Easy

System of Particles & Rotational Motion: Angular Momentum MCQ

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Angular MomentumEasyQuestion 6144

Question

Angular momentum of a particle moving in a straight line through origin:
  1. A
    Maximum
  2. B
    Zero
    Correct
  3. C
    Constant
  4. D
    Infinite

Correct answer

Zero

Explanation

L = r × p. If particle passes through origin, r = 0 → L = 0. Actually if line passes through origin, r and p are parallel → L = rp sin0° = 0.

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