Calculate between two grapefruits each with a radius of 0.08 meters and mass of 0.45 kilograms

Newton's Law of universal gravitation is:

F = G m 1 m 2 r 2 [1]

For the picture of the answer : https://socratic.org/questions/what-is-the-force-between-two-touching-grapefruits-each-with-a-radius-of-0-080-m

the correct answer: the index of refraction of the second medium is lower i tried this persons answer and it was wrong this person is lying

voluntary muscles are controlled by the cerebellum.