Four Forces in Flight

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Across
  1. 2. It causes an object's motion to change.
  2. 4. It is the force of attraction between two objects that have mass.
  3. 6. It is the force that pushes any animal or object forward.
Down
  1. 1. It is the force that slows things down. It resists to motion.
  2. 3. It is the force that goes against gravity.
  3. 5. It is the constant push of air.