Gravity & Free-Fall

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Across
  1. 2. A person runs in a straight line at a constant speed. What is the value for their acceleration?
  2. 5. Heavier objects only fall faster when there is air _______.
  3. 9. True or false: all objects in free-fall accelerate at the same rate when there is no air resistance.
  4. 10. True or false: gravity exerts the same force on all objects
  5. 11. As something falls, does it speed up or go a constant speed?
  6. 12. Heavier object experience a ____ force of gravity than small object
  7. 13. To be accelerating, an object must be speeding up, slowing down, or changing ______.
  8. 14. The acceleration due to gravity on earth is - ___.8 m/s/s
Down
  1. 1. As something falls, it speeds up by -9.8____ per second every second
  2. 3. The units of acceleration are meters per second per ______.
  3. 4. When there is no air resistance, all objects in free-fall accelerate at the _____ rate.
  4. 6. The value for acceleration of all objects in free-fall is -9.___ m/s/s
  5. 7. When an object speeds up, slows down, or changes direction then it is _________.
  6. 8. A car drives around a turn at a constant speed. Is it accelerating?