[tex]Dane:\\p = 2 \ kPa = 2 \ 000 \ Pa = 2 \ 000 \ \frac{N}{m^{2}}\\S = 0,5 \ m^{2}\\Szukane:\\F = ?\\\\\\p = \frac{F}{S} \ \ /\cdot S\\\\\underline{F = p\cdot S}\\\\F = 2000\frac{N}{m^{2}}\cdot0,5 \ m^{2}}\\\\\boxed{F = 1 \ 000 \ N = 1 \ kN}\\\\(1 \ kN = 1000 \ N)[/tex]
