Science class work.

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Across
  1. 2. Two forces that are unequal in size and acting in opposite direction
  2. 5. The weight of the object
  3. 6. The change in velocity or speed over a specific amount of time
  4. 8. The tendency of an object to stay at rest or preserve its state of potion
  5. 10. For every action there is an equal and opposite reaction
  6. 11. An english physicist and mathematician in the 1600´s
  7. 12. The rate at which something moves
  8. 13. what is acting on the object?
Down
  1. 1. Speed in a given direction
  2. 3. two forces equal in size and acting in opposite directions on an object
  3. 4. an object in motion tends to stay in motion with the same speed and direction until acted on by an unbalenced force
  4. 7. slows objects down
  5. 9. A unit of mass
  6. 10. The acceleration of an object depends on the net force acting on it and the mass of the object