NEET Physics · Medium

System of Particles & Rotational Motion: Centre of Mass MCQ

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Centre of MassMediumQuestion 6102

Question

Two masses m₁ = 1 kg at x = 0 and m₂ = 3 kg at x = 4 m. COM position:
  1. A
    1 m
  2. B
    2 m
  3. C
    3 m
    Correct
  4. D
    4 m

Correct answer

3 m

Explanation

x_cm = (m₁x₁+m₂x₂)/(m₁+m₂) = (0+12)/4 = 3 m.