Across
- 2. force of gravity acting on an object
- 4. force is a ______ quantity
- 8. aka converging lens (two words)
- 9. the angle of _________ is equal to the angle of reflection
- 10. wave that needs a medium to transfer its energy (two words)
- 13. resistance force that applies in the direction opposite to the object’s motion
- 14. distance from the equilibrium position to the crest or trough
- 16. principle that states that energy cannot be created or destroyed (three words)
- 17. _____________ velocity is the velocity of an object at the specific point of time
- 18. motion of a body where only the force of gravity is acting on it (two words)
- 19. ___________ interference is an interference of two waves whose resultant wave makes no amplitude and, therefore, it makes no wave.
- 21. reflected sound wave from the surface
Down
- 1. sum of all forces acting on an object (two words)
- 3. back and forth motion around the equilibrium position
- 5. change in momentum / force times time
- 6. ____________ interference is an interference of two waves whose resultant wave makes a bigger amplitude than their individual amplitudes
- 7. change of position / final position minus initial position
- 11. aka diverging lens (two words)
- 12. wave whose particles move in a direction parallel to the direction the wave moves (two words)
- 15. force which acts on an object with a physical contact (two words)
- 20. point on a wave with no amplitude