force and friction

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Across
  1. 2. friction created by fluids
  2. 5. an opposing force
  3. 7. a force acting on an object that results in a net force
  4. 8. measure of the earth's gravitational pull(a force)
Down
  1. 1. a force acting on an object do not change the object's motion
  2. 3. a force that can cause or change motion of an object by touching it
  3. 4. a push or a pull
  4. 6. the amount of matter in an object