Balanced and unbalanced forces Crossword puzzle

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Across
  1. 5. force-When there are two forces that are not equal in size act in the opposite direction
  2. 7. a push or pull cause an object to stop
  3. 8. force-When there are two forces equal in size acting in the opposite direction of an object
  4. 9. the resistance of the surface of one object encounters when moving over another
  5. 10. action or process of moving or being moved
Down
  1. 1. a object is in a straight path that an object can move along
  2. 2. the force attracts a body towards the center of the earth
  3. 3. that studys the inorganic World
  4. 4. an object is the rate of change of position or distance is traveled in a period of time
  5. 6. speed-When the speed of an object remains the same