Physical World

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Across
  1. 2. Two objects rubbing together
  2. 5. Attraction to earth
  3. 6. Air ....
  4. 8. Anther word for pivot
  5. 9. Device used for lifting things
  6. 10. Newtons ...
Down
  1. 1. Which law is the law of inertia
  2. 3. Isaac
  3. 4. Another word for weight
  4. 7. Speed up