A car collides head on with a stationary sign. The collision brings the car to a stop, but the sign does not move.
Which of the following design features would have reduced the force felt by both the car and the sign in the collision?
A. a sign that breaks loose from the ground when a force is applied to it
B. a car that can carry a greater mass of passengers and cargo
C. a car that can decelerate at a greater rate during collisions by not bending on impact
D. a sign that can withstand the force of a more massive car without moving