MHT CET 2022 Physics question

Three bodies each mass 1 kg are situated at the vertices of an equilateral triangle of side 1m. The xy-coordinates of centre of mass of the system are.

(A)
(B)
(C)
(D)Correct

Answer: (D)

Solution

Place the triangle with one vertex at the origin and one side along the x-axis: vertices , and (height ). For equal masses the centre of mass is the centroid:

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Question ID VK-093499