Center of MassHard
Question
The centre of mass of a system of particles is at the origin. From this we conclude that
Options
A.the number of particles on positive x-axis is equal to the number of particles on negative x-axis
B.the total mass of the particles on positive x-axis is same as the total mass on negative x-axis
C.the number of particles on X-axis may be equal to the number of particles on Y-axis.
D.if there is a particle on the positive X-axis, there must be at least one particle on the negative X-axis.
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