$1)$ The below image shows a door connected to a cable $($at point B$)$ attached to the wall $($at point A $).$ If the force in the cable is $\backslash (\backslash$mathbf$\{150\}\backslash$mathbf$\{$~ l b$\}\backslash )($pointing from A to B $),$ what moment is caused along the hinge of the door $($positive y $-$axis$)?$ Express this moment as a vector.

$\backslash [$

$\backslash$bar$\{$M$\}\_\{$y$\}=$

$\backslash ]$