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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

The centre of mass of three particles of masses 1 kg, 2 kg and 3 kg is at (2, 2, 2). Where should a fourth mass of 4 kg be placed so that the new centre of mass of the system is at (0, 0, 0)?

Answer: (A)

Solution

For the first three particles, . For the

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Question ID VK-158423