As part of a check on its design, a lower A-arm (part of an automobile suspension) is supported by bearings at A and B and subjected to the pair of 900-N forces at C and D. The suspension spring, not shown for clarity, exerts a force FS at E as shown, where E is in plane ABCD.
Determine the magnitude FS of the spring force and the magnitudes FA and FB of the bearing forces at A and B which are perpendicular to the hinge axis AB.
B. Even though the bicycle is free to roll, assume that it does not. The bicycle weighs 29 lb with cen- ter of gravity at G.
