Forces

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Across
  1. 3. Pulls thing towards the big object
  2. 7. Parachutes... How are they used.
  3. 9. The title of this
  4. 10. sum of all the aerodynamic or hydrodynamic forces in the direction of the external fluid flow.
Down
  1. 1. Measurement
  2. 2. Rubbing against each other
  3. 4. Fist name of the person who discovered gravity
  4. 5. When a system pushes or accelerates mass in one direction
  5. 6. Floating
  6. 8. These things need friction