A -..................................is the correct option
Gravitational force depends on inverse square law. That is, gravitational force is inversely proportional to square of distance between asteroids.
As distance between them decreases, gravitational force increases. Hence A is correct.
Line c is at rest . line a is going in a positive direction . line b is going in a negative direction . line d is negative too
Answer:
The answer are given above in attachment.
