7. What is inertia? 8. Jake is pushing an empty shopping cart and Shawn is pushing a very full cart. Assume that each man is pushing with the same force. Which cart will accelerate more? In order for the carts to accelerate the same amount, describe how each man should push their cart. 9. When one object exerts a force on another object, what type of force does the second object exert back on the first object? 10. A kicked soccer ball rolls to a stop on the grass. Why does the ball slow down and stop? 11. How do you find acceleration if you know force and mass