physics

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Across
  1. 2. measure of how many particles there are in your body
  2. 4. is a stored or reserved energy in an object
  3. 5. is resistance of solid surfaces
  4. 9. atractive force that exist between all mass
  5. 10. by electric charges and is the force of attraction or repulsion between particles
  6. 14. the force you get when a material is streched
  7. 16. force/ It is measured in pascals or equivalently newtons per square meter
  8. 17. push or pull
  9. 18. forward push
Down
  1. 1. is the pull of earth gravity on your body
  2. 2. force that enables compasses to work
  3. 3. force on body in a liquid or gas
  4. 6. is the energy that body gives
  5. 7. the force you get when 2 material rub together
  6. 8. the measure of how long something is
  7. 10. a distance between one point to another
  8. 11. force you get when a material is being squashed
  9. 12. recistance/ a force that acts against relative motion of an object through a liquid or gas
  10. 13. A characteristic, number, or quantity that increases or decreases over time, or takes different values in different situations.
  11. 15. a type of field force whose potential and momentum energy is at the expense of an electrical field in time.