Newton's choice board crossword

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Across
  1. 1. newton's 2nd law
  2. 5. the total force acting on an object
  3. 6. forces that are not equal
  4. 7. a property of matter by which it remains at rest or in uniform motion in the same straight line unless acted upon by some external force
  5. 8. the rubbing of one body against another
  6. 9. a push or a pull
  7. 10. how we measure force
Down
  1. 2. the act or process of moving faster or happening more quickly
  2. 3. an acting force and a force that happens because of the acting force
  3. 4. equal forces acting in opposite directions