[tex]S_1=5 \ cm^2=0,000 \ 5 \ m^2 \\ S_2=500 \ cm^2=0,05 \ m^2 \\ F_1=500 \ N \\ \boxed{F_2-?} \\ \bold{Rezolvare:} \\ \boxed{ \frac{F_1}{S_1} = \frac{F_2}{S_2} } \\ \Rightarrow F_2=S_2 \cdot \frac{F_1}{S_1} \\ F_2=0,05 \ m^2 \cdot \frac{500 \ N}{0,000 \ 5 \ m^2}=0,05 \ m^2 \cdot 1 \ 000 \ 000 \\ \Rightarrow \boxed{F_2=50 \ 000 \ N} [/tex]
