Science terms

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Across
  1. 3. force two forces acting in opposite directions.
  2. 5. vehicles capacity to gain speed within a short time.
  3. 7. si unit for force
  4. 8. physical action or movement
  5. 9. force sum of forces acting on a particle or body
Down
  1. 1. force a force that changes the position, speed or direction.
  2. 2. when one object exerts a force on a second object.
  3. 4. resistance that one surface or object encounters.
  4. 6. remaining uncharged.
  5. 8. acting on an object is equal to the mass of an object times its acceleration.