forces and motion

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Across
  1. 4. a scientist that discoverd gravity
  2. 5. how much matter is in an object is made of
  3. 6. how much force an object has
  4. 8. the change on an objects motion depends on the size
  5. 15. energy in motion
  6. 16. the force of attraction between an object and the earth
  7. 17. push or pull
  8. 18. the force that pulls you down twords earth\
  9. 19. things at rest stay at rest and things in motion will stay in motion untill a force acts on it
Down
  1. 1. equal forces acting on an object in opposite directions
  2. 2. when there is a netforce acting on an object
  3. 3. how hard it is to stop a moveing object
  4. 7. energy an object has because of where it is or because of condition
  5. 8. determand by distance/time
  6. 9. a change in velocity over time
  7. 10. things at rest stay at rest and things in motion will stay in motion untill a force acts on it
  8. 11. for every action there is a equal and opposite reaction
  9. 12. overall force acting onan object
  10. 13. an objects speed in a particular direction
  11. 14. the fore that trie to stp two objects in contact with each other