Crossword

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Across
  1. 3. : a moderate tide with the smallest difference between high and low water
  2. 5. : when two or more opposing forces acting on an object are equal in strength and opposite in direction, resulting in a net force of zero
  3. 8. : the natural physical force of attraction that causes all objects with mass or energy to pull toward each other
  4. 9. : defined as the sum of all the forces acting on an object
Down
  1. 1. : a period of exceptionally high high tides and low low tides that happens when the Earth, Moon, and Sun line up
  2. 2. : differing amounts of forces acting on an object
  3. 4. : the force of gravity pulling down on an object toward the center of the Earth or another celestial body
  4. 6. : the amount of matter or "stuff" inside a physical object
  5. 7. : the rate of change in an object’s velocity, which is the measure of an object’s speed and direction
  6. 10. : a push or pull that causes an object to change its motion