Consider two less-than-desirable options.In the first you are driving 30 mph and crash head-on into an identical car also going 30 mph.In the second option you are driving 30 mph and crash head-on into a stationary brick wall.In neither case does your car bounce back from the thing it hits,and the collision time is the same in both cases.Which of these two situations would result in the greater impact force exerted on your car?
A)hitting the other car
B)hitting the brick wall
C)The force would be the same in both cases.
D)None of the above choices are correct.

Question

Quizplus · Accepted Answer

The force exerted on your car would be the same in both cases because the change in momentum and the collision time are the same, according to Newton's third law of motion.

Consider Two Less-Than-Desirable Options