NEETPhysics-System of Particles and Rotational Motion

NEET Physics Center of Mass MCQ Question

Type: MCQ-numerical-Medium-Class 11

Two particles of mass 5 kg and 10 kg respectively are attached to the two ends of a rigid rod of length 1 m with negligible mass. The centre of mass of the system from the 5 kg particle is nearly at a distance of:

A

50 cm

B

67 cm

C

80 cm

D

33 cm

Correct Answer

Option B

Detailed Explanation

The center of mass is calculated using the formula: x_cm = (m₁x₁ + m₂x₂) / (m₁ + m₂). Substituting the given values gives the position of the center of mass.

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