Question

Gravitational force between two identical balls was F. It becomes 9 times when the distance between them was changed. Find the relation between original and final distance between them.
Gravitation class 9. plz answer. it's urgent​

Answer 1

Answer:

9

Explanation:

9

both the side the force balance

F= ka/r²

F=ka/(r+9)²

1/r²=1/(r+9)²

r+9 = - r