Across
- 3. the number of complete cycles in one second
- 4. the force of gravity acting on an object
- 5. a form of energy an object posesses due to its speed
- 8. when two or more waves occupy the same time and sopace
- 13. a vector quantity that describes how an object's speed or direction is changing
- 14. a wave phenomena in which one vibrating object can cause another to begin vibrations if it matches its natural frequency
- 16. action has an equal and opposite reaction
- 18. the unit used for measuring forces
Down
- 1. the changing of a wave's speed as it crosses the boundary between mediums
- 2. a vector quantity that describes how fast an object is moving
- 3. a push or apull
- 6. a type of wave in which the vibrations are perpendicular to motion
- 7. how difficult it is to stop a moving object
- 9. energy a form of energy an object possesses due to its position
- 10. the contact force that opposes motion
- 11. a quantity with magnitude only
- 12. a type of wave that does not need a medium to travel through
- 15. the amount of matter in an object
- 17. the imaginary line perpendicular to the surface of a medium in which all angles are measured from