Two particles of masses $m_1$ and $m_2$ $(m_1 > m_2)$,initially at rest,move towards each other under an inverse square law force of attraction. Pick out the correct statement about the centre of mass $(CM)$ of the system.

  • A
    The $CM$ moves towards $m_1$
  • B
    The $CM$ moves towards $m_2$
  • C
    The $CM$ remains at rest
  • D
    The motion of $CM$ is accelerated

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