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Across 5. a bridge whose main structural element is a beam across two vertical supports 6. the longest side of a right triangle 9. the sum of 2 individual force vectors 11. greek letter for the angle known in a right triangle 12. a quantity that only contains magnitude, no direction 13. a quantity that contains both magnitude and direction

Down 1. when a object is being smooshed between 2 opposing forces 2. a sketch of an object sketched that shows all of the forces that act on it, as well as direction of forces 3. part of a structure such as an arch or abutment, that recieves direct thrust or pressure 4. the side closet to the angle known as theta in a right triangle 7. push or pull exerted on one object or another 8. when something is NOT moving, or staying still 10. when an object is being stretched or lengthend by 2 opposing forces