science

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Across
  1. 2. energy as an attribute of physical action or movement.
  2. 4. is the vector sum of forces acting on a particle or body
  3. 6. two forces acting in opposite directions on an object
  4. 7. a force that changes the position, speed or direction of the object
  5. 9. a tendency to do nothing or to remain unchanged.
  6. 10. the SI unit of force
Down
  1. 1. to objects rubbing together
  2. 3. newtons 3nd law
  3. 5. 60 mph in 2.3 seconds
  4. 8. formula to newtons 2nd law