A $215\mathrm{.}0$ kg window is held horizon by gas struts. The gas struts are connected $0\mathrm{.}300$ m from the pivot point make an angle of $65\mathrm{.}0$ when the $31\mathrm{.}15$m long window is horizontal. The struts provide $6228$ N of force. An unknown weight is placed at the end of the window.