(Solved): Replace the force system acting on the frame by an equivalent resultant force, and specify where ...

Replace the force system acting on the frame by an equivalent resultant force, and specify where the resultant's line of action intersects member $$AB$$ (Figure 1). Determine the magnitude of the resultant force. Suppose that $$F_1=50\mathrm{lb},F_2=70\mathrm{lb}$$, and $$F_3=80\mathrm{lb}$$. Express your answer in pounds to three significant figures. Figure $$F_R=$$ * Incorrect; Try Again; 5 attempts remaining Part B Determine the angle between the resultant force and the $$x$$ axis. Express your answer in degrees to three significant figures. Replace the force system acting on the frame by an Determine the angle between the resultant force and the $$x$$ axis. equivalent resultant force, and specify where the resultant's line of action intersects member $$AB$$ (Figure 1). Express your answer in degrees to three significant figures. Suppose that $$F_1=50\mathrm{lb},F_2=70\mathrm{lb}$$, and $$F_3=80\mathrm{lb}$$. Figure 1 of 1 4 Incorrect; Try Again; 5 attempts remaining Part C Specify where the resultant's line of action intersects member $$AB$$, measured from point $$A$$. Express your answer in feet to three significant figures.