[tex]dane:\\m = 12 \ kg\\S = 16 \ cm^{2} = 0,0016 \ m^{2}\\g = 10\frac{m}{s^{2}}\\szukane:\\p = ?\\\\Rozwiazanie\\\\p = \frac{F}{S}\\\\ale \ \ F = m\cdot g = 12 \ kg\cdot10\frac{m}{s^{2}} =120 \ N\\\\p = \frac{120 \ N}{0,0016 \ m^{2}}\\\\p = 75 \ 000 \ Pa = 75 \ kPa[/tex]
Odp. Pies wywiera ciśnienie p = 75 000 Pa (75 kPa).
