The centers of a 11 kg lead ball and a 70 g lead ball are separated by 8.0 cm. What gravitational force does each exert on the other?

Answer 1

Gravitaional constant, G,
= 6.67*10^-11 N (m/kg)²
Force
= GMm/r²
= 6.67*10^-11 * 11 * 0.07/0.08²
=8.0*10^(-9) N