[tex]Dane:\\m = 500 \ kg\\a = 2\frac{m}{s^{2}}\\Szukane:\\F_{w} = ?\\\\Rozwiazanie\\\\Z \ II \ zasady \ dynamiki \ Newtona\\\\a = \frac{F_{w}}{m} \ \ /\cdot m\\\\\underline{F_{w} = m\cdot a}\\\\F_{w} = 500 \ kg\cdot2\frac{m}{s^{2}}\\\\\boxed{F_{w} = 1000 \ N = 1 \ kN}\\\\(1 \ kN = 1000 \N)[/tex]
