You are driving to your grandmother’s house for a family dinner. She lives on the other side of town, so you get on the highway and drive mph. It’s a very windy day and the wind is blowing in the same direction you are driving. You look at the car’s speedometer to see how much faster the wind is making you go as it pushes the car from behind, but it still says 60mph. What kind of force is the wind?
A. Balanced because the car’s motion did not change.
B. Balanced because the car’s motion did change.
C. Unbalanced because the car’s motion did not change.
D. Unbalanced because the car’s motion did change.