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Question

For an effective center of mass of the system of particles___



Your Answer
A

only mass is sufficient

Your Answer
B

only distance from the reference point is sufficient

Correct Answer
C

both masses and their respective distances from the reference point is required

Your Answer
D

the reference point is not required


Solution

The correct option is C

both masses and their respective distances from the reference point is required


For an effective center of mass of the system of particles, particle masses, as well as their respective positions, are necessary, otherwise, it is impossible to locate the exact center of mass of the particle system. Following diagram explains more about the center of mass of two particle system.

Where Xcm represents the required center of mass of the system.

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