Forces and Motion

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Across
  1. 5. The amount of gravity acting on an object
  2. 6. The amount of matter that makes up something
  3. 8. A force that is present in the air and opposes motion
  4. 10. an object used to tell if another object is moving or not
  5. 11. The tendency of an object to stay unchanged and not react to a change in motion
  6. 13. Forces that do not equal a net force of zero and cause a change in something’s motion
  7. 14. An invisible force that opposes motion when two or more objects are rubbed together
Down
  1. 1. The size or extent of something
  2. 2. How much force is needed for something to accelerate
  3. 3. The sum of every force acting on an object
  4. 4. A diagram showing forces acting on a object
  5. 6. An object's change in position based on a reference point
  6. 7. Forces acting on each other that equal a net force of zero
  7. 9. something acting on something else in the form of a pull or a push
  8. 12. The force that pulls objects together due to mass and distance