Puzzle time

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Across
  1. 3. The tendency of an object to resist a change in motion unless an outside force acts on the object.
  2. 5. A force of attraction between objects that is due to their masses
  3. 8. The combination of all of the forces acting on an object.
  4. 9. A push or pull exerted on an object in order to change the motion of the object; force has size and direction
Down
  1. 1. The path that a body follows as it travels around another body in space.
  2. 2. Any material that attracts iron or materials containing iron
  3. 4. The force of attraction or repulsion generated by moving or spinning electric charges.
  4. 6. a course along which someone or something moves.
  5. 7. The motion of a boy when only the force of gravity is acting on the body.
  6. 10. A fundamental property that leads to the electromagnetic interactions among particles that make up the matter.