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General
Easy
Question
Four particles of mass m1 = 2m, m2 = 4m, m3 = m and m4 are placed at four corners of a square. What should be the value of m4 so that the centre of mass of all the four particles are exactly at the centre of the square ?
- 2 m
- 8 m
- 6 m
- none of these
- 2 m
- 8 m
- 6 m
- none of these
The correct answer is: none of these
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