A small car collides with a large truck.
(a) Is the acceleration experienced by the car greater than, less than, or equal to the acceleration experienced by the truck?
(b) Choose the best explanation from among the following:
I. The truck exerts a larger force on the car, giving it the greater acceleration.
II. Both vehicles experience the same magnitude of force; therefore the lightweight car experiences the greater acceleration.
III. The greater force exerted on the truck gives it the greater acceleration.