[tex]Dane:\\a = 2 \ cm = 0,02 \ m\\b = 30 \ cm = 0,3 \ m\\c = 1 \ dm = 10 \ cm = 0,1 \ m\\S_1 = ac = 0,02 \ m\times 0,1 \ m = 0,002 \ m^{2}\\S_2 = ab = 0,02 \ m\times 0,3 \ m = 0,006 \ m^{2}\\S_3 = bc = 0,3 \ m\times 0,1 \ m = 0,03 \ m^{2}\\m = 0,001 \ t = 1 \ kg\\g = 10\frac{N}{kg}\\Szukane:\\p_1, p_2, p_3 = ?\\\\Rozwiazanie\\\\\underline{p = \frac{F}{S}}[/tex]
[tex]F = m\times g = 1 \ kg \times 10\frac{N}{kg} = 10 \ N[/tex]
[tex]p_1 = \frac{F}{S_1} = \frac{10 \ N}{0,002 \ m^{2}} = 5 \ 000 \ Pa = 5 \ kPa\\\\p_2 = \frac{F}{S_2} = \frac{10 \ N}{0,006 \ m^{2}} \approx 1 \ 666,7 \ Pa \approx1,7 \ kPa\\\\p_2 = \frac{F}{S_3} = \frac{10 \ N}{0,03 \ m^{2}} \approx333,3 \ Pa[/tex]
