please help solve this

ke traveling at different constant speeds are about to collide. Identical trucks are traveling in the same direction, and truck B is carrying a heavy load. 4 m/s 3 m/s A B collision, will the magnitude of the force truck A by truck B be (1) greater than, (II) less than, or (ill] equal to the magnitude of the force exerted on truck B by truck o Identical trucks are traveling in opposite directions, and truck B is carrying a heavy load. 3 m/s 4 m/s A B