Forces and Motion Review Vocab

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Across
  1. 4. The Italian astronomer who questioned the idea that a force is needed to keep an object moving.
  2. 6. An object in motion will stay in motion, an object at rest will stay at rest
  3. 8. The rate at which velocity changes
  4. 9. For every action, there is an equal and opposite ___________
  5. 13. Can cause an object to move, stop, or change direction - when a net force acts on an object
  6. 14. An object of greater ______ needs greater force in order to accelerate.
  7. 15. Form of energy an object has due to its motion
Down
  1. 1. Equal forces acting on one opposite in opposite directions
  2. 2. A push or pull
  3. 3. When the distance between two objects is changing
  4. 4. A force which pulls things down on earth
  5. 5. Physicist who came up with three laws of motion
  6. 7. The stored energy of an object
  7. 10. Speed in a given direction
  8. 11. Distance an object travels in one unit of time
  9. 12. The amount of matter an object has