Question

The force between two bodies at a distance ‘r’ is F. If distance is 3r, then force is ____

a. F/3

b. 3F

c. 9F

d. F/9​

Answer 1

Answer:

d. f/9

as f inverse proprtional to r^2

Answer 2

Answer:

d. F/9

Explanation:

$f \alpha \frac{1}{ {r}^{2} }$