Challenge It: Forces

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Across
  1. 5. what is the rate of change in velocity?
  2. 7. who created the law of inertia?
  3. 8. what is speed with direction?
  4. 10. what is the sum of all forces?
Down
  1. 1. when are two forces applied, but one is stronger?
  2. 2. what is the mutual attraction of energy?
  3. 3. what do you call two forces applying the same force to a thing?
  4. 4. what has mass and direction?
  5. 6. what is a tendency to do nothing?
  6. 9. what is mass x acceleration?