Figure The engine of the lightweight plane is supported by struts that are connected to the space truss that makes up the structure of the plane. The anticipated loading in two of the struts is shown in (Figure 1). Part A Express force F1 as a Cartesian vector. Express your answer in terms of the unit vectors i, j, and k. Use the 'vec' button to denote vectors in your answers. Express your answer using three significant figures. 11 vec ? F-600 lb 3 ft 0.5 ft 0.5 ft F-400 1b 250 3 ft 0.5 ft F = Submit Request Answer Part B lb Express force F2 as a Cartesian vector. Express your answer in terms of the unit vectors i, j, and k. Use the 'vec' button to denote vectors in your answers. Express your answer using three significant figures. 11 vec ? Submit Request Answer < Return to Assignment Provide Feedback 1 of 1 lb