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Question

Two particles of mass m1andm2 (m1>m2) attract each other with a force inversely proportional to the square of the distance between them. If the particles are initially held at rest and then released, the centre of mass will

A
move towards (m1)
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B
move towards (m2)
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C
remain at rest
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D
None of these
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Solution

The correct option is C remain at rest
As the force of attraction between them is an internal force.Thus the center of mass of the system will remain at rest.

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