wszystkie zadania opierają się na przekształceniu równania prasy. [latex]p_1=p_2 \ \ frac{F_1}{S_1}= frac{F_2}{S_2} [/latex] 1. S₁=1 cm² F₁=20 N F₂=2400 N S₂= ? [latex]frac{F_1}{S_1}= frac{F_2}{S_2} ightarrow S_2= frac{S_1F_2}{F_1}= frac{1*2400}{20}= 120 cm^2[/latex] 2. S₁=12 cm² S₂=216 cm² F₂=648 N F₁= ? [latex]frac{F_1}{S_1}= frac{F_2}{S_2} ightarrow F_1= frac{S_1F_2}{S_2}= frac{12*648}{216}= 36 N[/latex] 3. S₁=16 cm² F₁=80 N S₂=96 cm² F₂= ? [latex]frac{F_1}{S_1}= frac{F_2}{S_2} ightarrow F_2= frac{F_1S_2}{S_1}= frac{80*96}{16}= 480 N[/latex]
F1/S1=F2/S2 ad1.S2=S1*F2/F1=1cm2 *2400N /20N = 120cm2 ad2.F1=F2 *S1/S2 =648N *12cm2 /216 cm2 =36N ad3F2 =F1 *S2 /S1 = 80N *96cm2 /16cm2 =480N
