1. Describe the forces acting upon the cart when it comes in contact with the cardboard. How does this explain its change in motion?
2. Describe the forces acting upon the mass at the point of collision. How does this explain its motion?
3. Did the addition of sandpaper to the cart affect your results? Why or why not?
4. Do your results follow Newton's First Law of Motion? Explain.
5. Do the results from this experiment demonstrate the importance of wearing a seatbelt inside a car?