Physics: Unit 2 Vocab

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Across
  1. 2. force of attraction between two bodies; the force of attraction between a freely falling object and the earth gives the body an acceleration of 32 ft/sec2
  2. 5. 3.0 x 1^8 m/sec (300 million meters per second) or 186 000 mi/sec
  3. 7. a closed curve that looks like a flattened circle
  4. 10. an observation under controlled conditions
  5. 13. speed at a particular moment of time
  6. 16. part of a circle
  7. 18. for an ellipse, one of two points located on the long axis
  8. 19. falling motion of an object that is subject only to the force of gravity
  9. 20. capable of putting an object in motion
Down
  1. 1. speed measured over a period of time
  2. 3. a ramp or flat surface tilted from the horizontal
  3. 4. anything that occupies space and has weight
  4. 6. capacity to make a change in matter (to heat to move or to change its physical form)
  5. 8. obtain a result from a different source
  6. 9. having limits or being restricted
  7. 11. blocking of light from one object by another relative to an observer
  8. 12. having to do with the Sun, Moon, stars and the appearance of the night sky
  9. 14. distance traveled divided by time
  10. 15. path followed by a projectile
  11. 17. speed and direction of an object’s motion