Replace the loading on the frame by a single resultant force. Suppose that F1 = 300 N, F2 = 400 N, F3 = 900 N, and F4 = 400 N. What is the magnitude and direction of the resultant force?
A) Magnitude: 2100 N, Direction: Left
B) Magnitude: 2100 N, Direction: Right
C) Magnitude: 600 N, Direction: Left
D) Magnitude: 600 N, Direction: Right
