vocabulary words!

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Across
  1. 3. -A measure of how much matter is in an object.
  2. 5. -the overall force on an object when all the individuals forces acting on it are added together.
  3. 6. force -when two forces are acting on an object are equal in size but act in opposite directions.
Down
  1. 1. forces -when two forces acting on an object are not equal in size.
  2. 2. -A measure of the force of gravity acting on an object.
  3. 4. -a push or pull exerted on an object.