Simple Machines - Levers

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Across
  1. 3. Refers to how much a simple machine multiplies an applied force.
  2. 4. The distance between the load and the fulcrum.
  3. 7. Another example of a first class lever.
  4. 8. If the fulcrum is closer to the load, then _____ effort is needed to move the load a shorter distance.
  5. 10. The combination of two or more simple machines working together are called _____.
  6. 12. The distance between the effort and the fulcrum.
  7. 15. The load is located between the effort and the fulcrum.
  8. 16. The fulcrum is located between the load and the effort.
  9. 17. Since the beam can move freely, the fulcrum is also known as the lever’s _____.
  10. 21. If the fulcrum is _____ to the effort, then the load will move a greater distance.
  11. 23. First class levers include crowbars, pliers and _____,
  12. 24. Second class levers are used in bottle openers, brake pedals and _____.
  13. 25. A lever works by _____ the force applied to move a heavy object.
Down
  1. 1. Other examples of third class levers are hockey sticks, tweezers, tongs, and _____.
  2. 2. The effort is located between the load and the fulcrum.
  3. 5. Levers are classified into three types based on the relative _____ of the fulcrum, load, and effort.
  4. 6. The pivot point about which the beam rests and moves freely.
  5. 7. Are mechanical devices that are used to make work easier.
  6. 9. A plank made out of wood or metal.
  7. 11. The force applied to the lever to lift the load.
  8. 13. If the load is closer to the effort than the fulcrum, then _____ effort will be required to move the load.
  9. 14. Considered a second class lever.
  10. 18. An example of a third class lever.
  11. 19. Simple machines create different kinds of movement when a _____ is applied to a load.
  12. 20. A simple machine consisting of a beam that can rotate freely about a fixed point.
  13. 22. The object that is being lifted or moved.