The wing of a jet supports a 900 lb force due to weight of an engine and 300 lb and 600 lb...

The wing of a jet supports a 900 lb force due to weight of an engine and 300 lb and 600 lb forces due to weight of fuel.

(a) Determine an equivalent force system at point A.

(b) Determine an equivalent force system consisting of a single force, and specify the x and z coordinates of the point where its line of action intersects the xz plane.

Figure P4.90