1. Why should the two balls hit the floor at the same time?
2. How do the two carts show the conservation of momentum?
3. How do the two carts show F=m*a?
4. How did the carts with the red liquid show inertia?
5. How did the Newton's Rocker show conservation of momentum?
6. How did it show inertia?
7. Why do the balls with the Newton's Rocker eventually stop moving?
8. How did the two carts show Newton's Third Law: For every action . . . ?