Across
- 3. The force exerted when a material is stretched or compressed.
- 5. Calculated by dividing distance by time.
- 9. Stored energy, often from gravity.
- 11. __________ Newton
- 14. When two objects crash.
- 16. Action-_________ pairs are described in Newton's Third Law.
- 17. The force that opposes motion.
- 18. The friction that causes your hands to heat up when rubbed together.
- 22. A type of motion in constant acceleration due to Centripetal force.
- 23. The force that pulls things towards the Earth.
- 24. Law of _________ of energy states that the energy put into a system is equal to the energy the system produces.
- 27. Describes the forces when there is no change in motion.
- 29. The change in velocity.
- 30. ______= mass X velocity
- 31. The actual amount of space covered by an object in motion.
- 33. The total force felt my an object
Down
- 1. An arrow that has size and direction.
- 2. The amount of matter in an object.
- 4. Another stretching force
- 6. To calculate trajectory, you must first know the initial vertical and ________ velocities.
- 7. The energy of motion.
- 8. Type of friction that acts on an object moving through gas or liquid.
- 10. Used to reduce friction.
- 12. __________ velocity is the maximum velocity an object can fall due to air resistance.
- 13. __________ forces cause acceleration.
- 15. The friction that a car experiences.
- 19. How far an object is from where it started.
- 20. The type of motion calculated with trajectory.
- 21. The resistance to change in motion.
- 25. Air _______ is the force that slow the acceleration due to gravity.
- 26. The gravitational force exerted on an object.
- 28. Speed with direction.
- 32. A force that is perpendicular to a surface (Gravity).
- 34. A push or pull.