newtons law

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Across
  1. 5. Nothing done
  2. 6. Vector sum of force acting on a particle or body
  3. 7. Something done
  4. 9. Two forces acting in opposite directions on an object
  5. 10. Strength
Down
  1. 1. force Force that changes the position, speed, or direction
  2. 2. Rubbing
  3. 3. Speeding up
  4. 4. Inactivity
  5. 8. Sir Isaac