crossword

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Across
  1. 2. the resistance that one surface or object
  2. 4. the moving of something from its place or position.
  3. 9. 1 member act on 1,1 member acts on other
  4. 10. push or pull
  5. 11. remains uncharged
  6. 13. magnitude and direction
  7. 14. a sudden spontaneous inclination
  8. 15. the amount of matter contained
Down
  1. 1. fired from a rocket or gun.
  2. 3. the sum of all the forces acting on an object.
  3. 5. magnitude no direction
  4. 6. speed
  5. 7. gravity
  6. 8. strength or force gained by motion
  7. 12. vehicle's capacity to gain speed