JJ Gravitational Forces

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Across
  1. 4. A quantity that has only magnitude but no direction.
  2. 6. Introduced the law of universal gravitation in 1687
  3. 7. The force of gravity acting on an object's mass
Down
  1. 1. One of the two main factors influencing gravitational force
  2. 2. The force that pulls all objects toward each other.
  3. 3. measured the gravitational constant 71 years after Newton.
  4. 5. A quantity with both magnitude and direction like force