Chapter 3, Problem DM

KEY TERMS

1. force (3.1) 2. unbalanced, or net, force(3.7) 3. Newton’s first law of motion (3.2) 4. inertia 5. mass 6. Newton’s second law of motion (3.3) 7. newton

8. Weight 9. friction 10. Newton’s third law of motion (3.4) 11. Newton’s law of universal gravitation (3.5) 12. G 13. buoyant force (3.6)

14. Archimedes’ principle 15. linear momentum (3.7) 16. law of conservation of linear momentum 17. angular momentum 18. torque 19. law of conservation of angular momentum

For each of the following items, fill in the number of the appropriate Key Term from the preceding list.

d. _____ Occurs in the absence of an unbalanced force