A 25000 kg rock is located at a distance of 7.6 x 108 m away from a small planet of mass 7.8 x 1023 kg. What is the mutual force of attraction between these two

1 answer

F = G M m /d^2

6.67*10^-11*7.8*10^23*2.5*10^4/57.8*10^16
=2.25 * 10^0 = 2.25 N