Simple Machines - Levers

1234567891011121314151617181920212223242526
Across
  1. 2. Second class levers are used in bottle openers, brake pedals and _____.
  2. 6. The pivot point about which the beam rests and moves freely.
  3. 13. Refers to how much a simple machine multiplies an applied force.
  4. 15. The fulcrum is located between the load and the effort.
  5. 17. The distance between the load and the fulcrum.
  6. 19. A simple machine consisting of a beam that can rotate freely about a fixed point.
  7. 21. Simple machines create different kinds of movement when a _____ is applied to a load.
  8. 22. First class levers include crowbars, pliers and _____,
  9. 24. An example of a third class lever.
  10. 26. Since the beam can move freely, the fulcrum is also known as the lever’s _____.
Down
  1. 1. Combinations of two or more simple machines working together are called _____.
  2. 3. The load is located between the effort and the fulcrum.
  3. 4. Considered a second class lever.
  4. 5. Are mechanical devices that are used to make work easier.
  5. 7. If the fulcrum is _____ to the effort, then the load will move a greater distance.
  6. 8. A plank made out of wood or metal.
  7. 9. The object that is being lifted or moved.
  8. 10. Another example of a first class lever.
  9. 11. class lever The effort is located between the load and the fulcrum.
  10. 12. Levers are classified into three types based on the relative _____ of the fulcrum, load, and effort.
  11. 14. Other examples of third class levers are hockey sticks, tweezers, tongs, and _____.
  12. 16. The distance between the effort and the fulcrum.
  13. 18. If the fulcrum is closer to the load, then _____ effort is needed to move the load a shorter distance.
  14. 20. A lever works by _____ the force applied to move a heavy object.
  15. 23. The force applied to the lever to lift the load.
  16. 25. If the load is closer to the effort than the fulcrum, then _____ effort will be required to move the load.