Q. 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
Explanation

[Solution] $x = \frac{10 \times 1}{15} = 0.67$ m = 67 cm from the 5 kg mass. Answer (2).

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

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