types of forces

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Across
  1. 2. force caused by repulsion between atoms
  2. 3. sum of all forces acting on an object
  3. 4. rate of change of an objects postion in any direction
  4. 6. there has to be more than it for an object to move
  5. 8. forces forces that are equal to each other
  6. 9. force applied on an object
  7. 11. force caused by an excess electrical charge
  8. 13. upward force exerted on a submerged object in fluid
  9. 14. push or pull in a direction
  10. 15. supporting force exerted on an object in contact
  11. 18. force caused by attraction of atoms within a streched rope
  12. 19. drawing that shows the forces acting on an object
  13. 20. downward force acting on an object
Down
  1. 1. forces that differ from each other
  2. 5. force caused by an object pushing air
  3. 7. rate of change in velocity
  4. 10. speed of an object in a direction
  5. 12. force that acts at a right angle to the direction of motion of an object through air
  6. 16. force due to an objects move in a magnetic field
  7. 17. opposing force caused by surfaces moving pass each other