forces

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Across
  1. 3. measured by a newtonmeter
  2. 6. movement
  3. 8. two things rubbing together
  4. 9. measured in kilograms or grams
  5. 10. air resistance
Down
  1. 1. have a gravitational field
  2. 2. falls on Issac Newton's head
  3. 4. pulls things down
  4. 5. measures the mass of something
  5. 7. different types of them