Gravitational Crossword

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Across
  1. 4. How far something is
  2. 7. The non-contact attractive interaction between two objects having mass
  3. 8. A physical constant that qualities the strength of the gravitational force between two objects
  4. 9. The falling motion of an object without resistance under the influence of Earth's gravity
  5. 11. A continuous path of an object going around another object
  6. 12. A force that draws objects together
  7. 13. A description of any physical quantity that is inversely proportional to the square of the distance from its square
  8. 14. The non-contact attraction interaction between two objects having mass
Down
  1. 1. The mathematical expression of the gravitational interaction between two objects having mass
  2. 2. The minimum speed an object needs to break free from the gravitational pull of a celestial body
  3. 3. A point representing the mean position of an object's matter
  4. 5. Any force that causes an object to move in a circular path
  5. 6. The downward force experienced by objects resulting from their gravitational attraction to Earth
  6. 7. A vector field in which the physical quantity is the gravitational force per unit mass
  7. 10. A measure of an objects inertia measured in the SI unit