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Q.

Four particles of mass 1kg, 2kg, 3kg and 4kg are placed at the four vertices A, B, C, D of a square of side 1m. Find the position of centre of mass (cm) of the particles

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a

none of the above

b

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c

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d

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answer is B.

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Detailed Solution

Given that four particles

Question Image  at position (0, 0)

Question Image at position (1, 0)

Question Image at position (1, 1)

Question Image at position (0, 1)

We know C.M of a system of particles has coordinates

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