Question

A vehicle crash between a 1000. kg car and an 1800. kg truck takes place on a 72000. N bridge that is 50.0 m long and supported at each end

by a pillar. The collision takes place at the center of the bridge where the initial velocity of the car is 5.000 m/s east the initial velocity of the truck's 2.000 m/s west. As a result of the collision, the car and truck connect bumpers and slide off together along the frictionless bridge surface. What force must each pillar exert upward 22.00seconds after the collision

Fig: 1