newton's laws of motion

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Across
  1. 4. a push or pull apon a object
  2. 5. when moving over another
  3. 6. force the combined effect of the real forces acting on an object
  4. 7. a tendency to do nothing or to remain unchanged
  5. 8. second law objects at rest will stay at rest
  6. 9. force two forces acting on a object that are not equal in size
Down
  1. 1. first law objects in motion stay in motion
  2. 2. forces two forces acting in opposite directions of an object
  3. 3. a vehicles capacity to gain speed within a short time
  4. 4. the resistance that one surface or object