In the image below, a free-body diagram represents the forces of several
vehicles driving across a bridge. Assume that the bridge is in static
equilibrium and that it has zero weight, and solve for the unknown reaction
force.
Semi Truck
(150,000 N)
Car
(16,500 N)
Reaction
Force
(138,700 N)
Small Car
(12,100 N)
Reaction
Force
(?)
A. 138,700 N
OB. 90,500 N
C. 12,100 N
D 69 400 N