REVIEW PHYSICS

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Across
  1. 3. Earth has one of this thing while Saturn has over 80.
  2. 6. A flexible tool to measure distance.
  3. 8. The four closest planets to the Sun.
Down
  1. 1. To compare the direction of friction and motion.
  2. 2. The eighth planet in Solar system.
  3. 4. Unit of weight
  4. 5. the gravity that the Earth acts on an object.
  5. 7. This force prevent objects from starting to move.
  6. 9. The action to move an object away from the source of force.
  7. 10. We use it to represent the direction of a force.