Question

Calculate the magnitude of the gravitational force of attraction between two spherical of lead with a mass of 10 kg and 6 kg respectively if are placed 50 mm apart

Answer 1

$$F=G\frac{mM}{r^2}\\F=6.67\cdot10^{-11}\frac{10\cdot6}{0.05^2}=1.6\cdot10^{-6}N$$