Momentul fortei = Forta perpendiculara pe bra] x bratul fortei
M=G*sinα*l=m*g*sinα*l
M=0,050kg*10m/s^2*sinα*0,6m=0,5N*0,6m*sinα=0,3Nm*sinα
daca α=60° => M=0,3Nm*sin60°=0,3Nm*0,86=0,25Nm
daca α=45° => M=0,3Nm*sin45°=0,3Nm*0,707=0,21Nm
daca α=0° => M=0,3Nm*sin0°=0,3Nm*0=0Nm