If the original force between two objects is 0.90 n, and the distance is tripled, what is the new gravitational force between the objects.

Explanation:

We have equation for gravitational force

  where G is gravitational constant, M is mass of object 1 , m is mass of object 2 and r is the separation.

Here only r is changing, it changes to triple the earlier value.

                  r ⇒ 3r

  Given that F₁ = 0.90 N

Substituting

New force is 0.10 N