Balanced and Unbalanced Vocabulary

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Across
  1. 3. act without direct physical contact
  2. 6. the sum of the forces is not zero
  3. 7. opposes the motion of an object
  4. 9. opposite of friction
  5. 11. require direct physical interaction
Down
  1. 1. the strength of the force
  2. 2. pulls objects to the center of the Earth
  3. 4. when force is applied to an object
  4. 5. net force is zero
  5. 8. attract or repel based on the magnetic field
  6. 10. push or pull