1. Which of the following describes momentum? Blank 1 The product of mass and velocity 2. What is the only way to change an object's momentum? Blank 2 Apply a force to it 3. If a bug or a truck collide with your car, why does the truck cause more damage? Blank 3 4. What happens to an object's momentum when a net force is applied to it? Blank 4 5. When does an object accelerate? Blank 5 6. What force did Isaac Newton identify as responsible for the acceleration of planets in their orbits around the Sun? Blank 6