A 1.0×104 kg truck moving North at 15.0 m/s collides with a 5.0·104 kg car at rest. The collision takes 0.01 s and results in the truck moving North at 10.0 m/s.
(a) What is the force on the truck? (include direction)
(b) What is the force on the car? (include direction)
(c) If the car is free to move, what will be its acceleration? Compare its acceleration direction to the direction found in (b).