[tex]Dane:\\V = 200 \ cm^{3} = 200\cdot0,000001 \ m^{3} = 0,002 \ m^{3}\\d = 1000\frac{kg}{m^{3}} \ - \ gestosc \ wody\\g = 10\frac{N}{kg}\\Szukane:\\F_{w}=?\\\\\\F_{w} = d\cdot g\cdot V\\\\F_{w} = 1000\frac{kg}{m^{3}}\cdot10\frac{N}{kg}\cdot0,0002 \ m^{3}\\\\\boxed{F_{w} =2 \ N}[/tex]
