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Across 3. The amount of pull of gravity on an object is called its what? You record this value in pounds. 5. What is the metric unit for mass? 7. It is a resistance to a change in motion. 8. What force pulls down on an object? 9. When a ball is tossed into the air, does it form a straight or curved path? 10. What force resists motion between the surfaces of an object? 11. What kind of forces add up to zero? 15. Which of Newton's laws involves the concept of action-reaction? 16. Which of Newton's laws involves the concept of F=ma?

Down 1. Which of Newton's laws involves the concept of inertia? 2. What kind of forces add up to a value other than zero? 4. If you triple the amount of mass, what happens to the force? 6. For every action, there is an equal but opposite what? 12. What is the metric unit for force? 13. What is the amount of material in an object called? 14. It is a push or a pull on an object.