Science Crossword

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Across
  1. 3. forces acting on an object that combine and form a net force that is not zero
  2. 5. a force that resists the motion of two surface that are touching
  3. 7. an attractive force that exists between all objects that have mass
  4. 10. A push or pull on one object by another that is touching it
Down
  1. 1. forces acting on an object that combine and form a net force of zero
  2. 2. A force that one object can apply to another object without touching it
  3. 4. the combination of all the forces acting on an object
  4. 6. the gravitational force exerted by any other object
  5. 8. A push or a pull on an object
  6. 9. the amount of matter in an object