[tex]G=980 \ N \\ m_1=50 \ kg \\ g=10 \ N/kg \\ \boxed{m_2-?} \\ \bold{Rezolvare:} \\ \boxed{G=m \cdot g} \\ m=m_1+m_2 \\ \Rightarrow m_2=m-m_1 \\ m=\frac{G}{g} \\ m=\frac{980 \ N}{9,8 \ N/kg } \\ m=100 \ kg \\ m_2=100 \ kg-50 \ kg \\ \Rightarrow \boxed{m_2=m_1=50 \ kg}[/tex]
