[tex]Se~da:\\ \\
\alpha=30^\circ\\ \\
m=50kg\\ \\
F=294N\\ \\
a=?\frac m{s^2}\\ \\
N=?N\\ \\ \\
Formule:\\ \\
Ox:\\ \\
G_x+F_x=m\times a\\ \\
m\times g\times\sin\alpha+F\times\cos\alpha=m\times a\\ \\
a=\frac{F\times\cos\alpha}{m}+g\times\sin\alpha\\ \\ \\
Oy:\\ \\
G_y=N+F_y\\ \\
N=m\times g\times\cos\alpha-F\times\sin\alpha\\ \\ \\
Calcule:\\ \\
a=\frac{294\times\cos30}{50}+10\times\sin30\approx10\frac m{s^2}\\ \\
N=50\times 10\times\cos30-294\times\sin30\approx286N\\ \\ [/tex]
