Balanced and Unbalanced Forces

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Across
  1. 3. a force that has unequal forces acting upon it
  2. 7. the resistance that one surface or object encounters when moving over another
  3. 9. an object in motion stays in motion unless an outside force acts upon it
  4. 10. a straight path, an object can move along
Down
  1. 1. a tendency to do nothing or remain unchanged
  2. 2. an equal force acting upon it
  3. 4. a substance used for minimizing friction
  4. 5. rate of change of position
  5. 6. a force towards the center of the Earth
  6. 8. a push or pull on an object