Three particles of masses 1 kg, 
kg , and 2 kg are located at the vertices of an equilateral triangle of side a. The x, y coordinates of the centre of mass are
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Let the masses 1kg, 
and 2 kg are located at the vertices A,B and C as shown in figure above. The coordinates of point A,B and C are (0,0), (a,0), 
respectively.
The coordinates of centre of mass are
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