Across
- 4. "Every force has an _______ and opposite reaction force"
- 8. A quantity with magnitude only
- 10. A force that is pointed towards the center of a circular path
- 11. A body's tendency to maintain its state of motion
- 12. International Standard units
- 13. A force that opposes sliding motion
- 14. A quantity with both units and direction
- 15. Newton's second law as an equation
- 16. "All ______ are wrong, but some are useful"
- 18. The branch of physics that deals with how things move
- 19. A state of having no net force acting on a body
Down
- 1. To be only acted upon by gravity
- 2. The branch of physics that deals with why things move
- 3. A "force" that attracts all masses to each other
- 5. a change in velocity caused by a force
- 6. A diagram showing all of the forces acting on a body
- 7. The optimal angle for maximum distance
- 9. The sum of all forces acting on a body. Can cause a net acceleration if it doesn't equal zero
- 15. How non-contact forces, like gravity, interact
- 17. The coefficient of _______ friction is how hard it is to get something moving