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Standard XII

Physics

Centripetal Acceleration

Two particles...

Question

Two particles of mass $m_{1} a n d m_{2}$ $(m_{1} > m_{2})$ 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

move towards

(m_{1})

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move towards

(m_{2})

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remain at rest

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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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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

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

Two particles of mass $m_{1} a n d m_{2}$ $(m_{1} > m_{2})$ 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

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.