Forces Review

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Across
  1. 1. This bridge is built with triangles made of steel bars
  2. 2. this simple machine has at least one slanting side and ends in a sharp edge
  3. 4. a twisting or turning force
  4. 6. a force that squeezes or squashes a structure
  5. 10. a beam that projects outward and is supported at only one end by a downward force
  6. 12. this simple machine is used when we want to raise a flag to the top of a pole.
  7. 15. the kind of force that can be stretched or squashed and then spring back to shape
  8. 17. the mass a liquid or gas is replaced by an object or material
  9. 19. a structure built against a wall to strengthen it
  10. 20. this bridge has a horizontal beam supported by two piers
  11. 22. the natural attraction force of objects to one another due to mass
  12. 23. a curved structure that spans a space
  13. 24. this simple machine consists of a stuck and a fulcrum
  14. 25. the force of a fluid on an object
Down
  1. 1. a force that stretches a structure
  2. 3. this simple machine is made of two simple machines combined together (an inclined plane is wrapped around a wedge)
  3. 5. This type of force is not part of a structure
  4. 7. the amount of matter in an object
  5. 8. this simple machine can be used as a ramp to help people load or unload products.
  6. 9. the resistance to movement of objects that are sliding against each other
  7. 11. This type of force is part of a structure
  8. 13. the upward pushing force of a liquid or a gas when an object is put into the liquid or gas
  9. 14. this simple machine consists of a rod secured to a wheel.
  10. 16. property of matter exerting a magnetic force
  11. 18. This type of bridge is best for crossing large spans
  12. 21. builders add a diagonal support piece to make a rectangular shape stronger
  13. 25. is a force that makes a straight material curved