Chapter 9, Problem 9.56P

(a)

To determine

The impulse imparted by the floor to the vehicle.

(b)

To determine

Whether the floor does any work on the vehicle.

(c)

To determine

Whether the final momentum comes from floor or not.

(d)

To determine

Whether the final kinetic energy comes from the floor or not.

(e)

To determine

Whether the force is causing the forward acceleration of the vehicle.