Across
- 2. moment of a couple.
- 8. Divide the speed of light by frequency
- 10. rigid bar free to rotate about a fixed fulcrum
- 11. Wave particles move parallel to direction of the wave
- 13. Waves confined to a single plane.
Down
- 1. Apparent change in frequency relative to motion of the observer
- 3. Difference in apparent position of an object viewed along two different lines of sight.
- 4. Change in velocity over time.
- 5. A quantity with both magnitude and direction
- 6. Quantities with magnitude only.
- 7. mass multiplied by gravity
- 9. Mass per unit volume.
- 12. Force multiplied by the perpendicular distance.