Concept 3 Crossword

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Across
  1. 3. the attraction two objects have on one another
  2. 7. forces that are equal in size and opposite in direction.
  3. 9. resistance an object feels when travelling through the air.
  4. 10. forces that are not equal in size and opposite in direction.
Down
  1. 1. resistance to motion when two objects are in contact with one another.
  2. 2. push or pull one object exerts on another.
  3. 4. the amount of matter in an object.
  4. 5. The tendency of an object to resist a change in motion.
  5. 6. the force of gravity on an object
  6. 8. the combining of forces when two or more forces act on an object.