Vectorial: G₁+G₂+N₁+Ff=0
Scalar:Ox:G₂-G₁sinα-Ff=0
Oy:N₁-G₁cosα=0=>N₁=G₁cosα
G₁=m₁g
G₂=m₂g
2m₂-m₁=1 kg
m₂g-m₁gsin30°-Ff=0<=>10m₂-10*m₁/2-Ff=0 |*2<=>10(2m₂-m1)=Ff<=>10*1=Ff=>Ff=10 N
