Question

un corp are greutatea de 490 N,iar altul masa de 50kg.Care dintre cele doua corpuri este mai greu?

Answer 1

$G_1=490 \ N \\ m_2=50 \ kg \\ g=9,8 \ N/kg \\ \boxed{\Delta G-?} \\ \bold{Rezolvare:} \\ \boxed{\Delta G_2-G_1} \\ \boxed{G=m \cdot g} \Rightarrow G_2=m_1 \cdot g \\ G_2=50 \ kg \cdot 9,8 \ N/kg \\ G_2=490 \ N \\ \Delta G=490 \ N-490 \ N =0 \ N \\ \Rightarrow \boxed{G_1=G_2}$