Force Crossword Puzzle

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Across
  1. 3. measurement of the force that gravity pulls on an object
  2. 6. an object will keep moving at the same speed and direction unless another force acts on it
  3. 8. stated laws that describe the effects of forces on motion
  4. 9. When one object pushes on a second object, the second one pushes back on the first with a force that is equal in size and opposite in direction
  5. 10. push or pull one object exerts on another
Down
  1. 1. forces that are equal in size and in opposite directions
  2. 2. F=ma
  3. 4. Force of attraction between objects and causes all objects to fall to Earth
  4. 5. makes motion more difficult between two materials that are in contact because of microscopic hills and valleys
  5. 7. this stays the same wherever you are