Physics Vocabulary Review

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Across
  1. 1. This is the unit used for power
  2. 4. The rate at which work is done
  3. 6. This is the unit used for force
  4. 7. A kind of fluid friction that opposes falling objects
  5. 10. The rate at which something moves in a particular direction
  6. 13. This is a combination of horizontal and vertical motion
  7. 16. This is an object's mass times its acceleration
  8. 17. The energy of motion
  9. 19. This is the output force of a machine divided by the input force you put into it
  10. 20. The force that resists motion between the surfaces of two objects that are touching
  11. 21. When calculating kinetic or potential energy, mass must be in _____
Down
  1. 2. When something no longer accelerates as it falls
  2. 3. This is the unit used for energy and work
  3. 4. The energy something has due to its position
  4. 5. There are three "classes" of this simple machine
  5. 8. An object's mass times its velocity
  6. 9. Change in velocity over time
  7. 11. As mass increases or distance decreases, this force increases
  8. 12. Force multiplied by distance
  9. 14. This is when an object is falling without any air resistance
  10. 15. The rate at which something moves
  11. 18. Newton's first law is also known as the law of _______