Balanced and Unbalanced forces vocabulary

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Across
  1. 2. arrow showing direction of forces
  2. 3. sum of all forces
  3. 4. energy in movement
  4. 6. energy of light in which can be see with the human eye
  5. 7. change in position over time
  6. 10. resistance when moving in the air
  7. 12. two or more equal forces on an object
  8. 16. energy that's the movement of electrons
  9. 17. energy from vibrations
Down
  1. 1. built up energy
  2. 5. two or more unequal forces on an object
  3. 8. unit for force
  4. 9. push or pull in a direction
  5. 11. energy transferred when a force acts on an object
  6. 13. energy in an object's position
  7. 14. resistance when moving over a surface
  8. 15. box and arrows to demonstrate forces