9. Air resistance is a kind of _____. 10. Which law is this: The acceleration of an object depends on the mass of the object and the force applied. 11. What two factors determine the amount of air resistance? 12. How do you state Newton's second law mathematically? ( a = acceleration; m = mass; f = force) 13. Jill pushes a box of books across the floor. What causes the box to move? 14. Newton's _____ law of motion explains why you may lean sideways in a car if the driver turns a corner too quickly. 15. What is a second way of stating Newton's second law mathematically?