Q.
Three rods of the same mass are placed as shown in the figure. What will be the co-ordinates of the center of mass of the system ?
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a
(a/2,a/2)
b
(a/2, a/2)
c
a3,a3
d
2a3,2a3
answer is D.
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Detailed Solution
Use the definition of C.M. : xcm=∑mixi∑mi
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