[tex]Dane:\\M_{z} = 6\cdot10\ kg\\M_{k} = 73,5\cdot10^{21} \ kg\\R =384 \ 000 \ km =384 \ 000 \ 000 \ m = 3,84\cdot10^{8} \ m\\G = 6,67\cdot10^{-11}\frac{Nm^{2}}{kg^{2}}\\Szukane:\\F_{g} = ?\\\\Rozwiazanie\\\\F_{ g}=G\cdot\frac{M_{z}\cdot M_{k}}{R^{2}}\\\\F_{g} = 6,67\cdot10^{-11}\frac{Nm^{2}}{kg^{2}}\cdot\frac{6\cdot10^{24} kg\cdot73,5\cdot10^{21} \ kg}{(3,84\cdot10\ m)^{2}}\\\\F_{g} = \frac{2941,47\cdot10^{34}}{14,7456\cdot10^{16}} \ N\\\\\boxed{F_{g} = 19,948\cdot10^{19} \ N}[/tex]
