Gravitational Force

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Across
  1. 3. When the forces acting on an object have equal strength and act in opposite directions
  2. 4. the thing planets orbit around
  3. 7. a famous astronomer who lived in Pizza Italy
  4. 10. property of a body by virtue of which it opposes any agency that attempts to put it in motion or, if it is moving, to change the magnitude or direction of its velocity.
Down
  1. 1. any particle of matter in the universe attracts any other with a force varying directly as the product of the masses and inversely as the square of the distance between them.
  2. 2. how much matter an object has
  3. 5. big balls of matter
  4. 6. the force by which a planet or other body draws objects toward its center.
  5. 8. The person who discovered gravity
  6. 9. gravitational pull on an object