Question: Replace the force system acting on the frame by an equivalent resultant force, and specify where the resultant's line of action intersects member A B

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). Suppose that F1=15lb,F2=35lb, and F3=45lb.
Figure
Part B
Determine the angle between the resultant force and the x axis.
Express your answer in degrees to three significant figures.
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.
ADvec+0?
y=
ft above A
Replace the force system acting on the frame by

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