ry=0
fy=0
rx=30 sin(60)(6)
fx=(-3/5)(9)
\(MO=\left(rxfy-ryfy\right)\)
\(MO=0\left(30\ \sin\ \left(60\right)\left(6\right)-0\left(-\frac{3}{5}\right)\left(9\right)\right)\)
\(M0=155.884+fas5\ A\)
\(FA=\frac{155.884}{5a}\)
\(FA=28.86\ LB\)