Question

the mass of two balls is 0.80 kg each and they are separated by a distance of 0.25 meters. please calculate the gravitational force between the two balls

Answer 1

F= GMm/r2
F= 6.67*10^-11 * 0.80*0.80/ (0.25*0.25)
F= 4.27*10^-11/ (0.06)
F= 6.83*10^-10 N and the force is attractive