A shaft is to be designed for a linkage of a windshield wiper mechanism for a truck A 20-N force is applied to lever 1 by an adjacent link. The reaction force, F2 on lever 2 is transmitted to another link. The distance, d. between elements is 20.0 mm. Bearings A and C are straight, cylindrical, bronze bushings, 10.0 mm long. Design the shaft and levers 1 and 2