Two bodies A and B initially at rest are attracted towards each other due to gravitation. Given that A is much heavier than B. Which of the followings correctly describes the relative motion of the centre of mass of the bodies?

Question

Two bodies A and B initially at rest are attracted towards each other due to gravitation. Given that A is much heavier than B. Which of the followings correctly describes the relative motion of the centre of mass of the bodies? (A) it moves towards A (B) it moves towards B (C) it moves perpendicular to the line joining the particles (D) it remains at rest

Tardigrade Admin · Accepted Answer

As there is no external force, so centre of mass remain at rest.

Q. Two bodies A and B initially at rest are attracted towards each other due to gravitation. Given that A is much heavier than B. Which of the followings correctly describes the relative motion of the centre of mass of the bodies?

it moves towards A

it moves towards B

it moves perpendicular to the line joining the particles

it remains at rest

As there is no external force, so centre of mass remain at rest.