4:5 Vocab

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Across
  1. 4. a piece of wood, metal, or some other material having one thick end and tapering to a thin edge, that is driven between two objects or parts of an object to secure or separate them
  2. 5. the point on which a lever rests or is supported and on which it pivots
  3. 6. a plane inclined at an angle to the horizontal
  4. 8. a rigid bar resting on a pivot, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other
Down
  1. 1. A machine consisting of two or more simple machines operating together, as a wheelbarrow consisting of a lever, axle, and wheel
  2. 2. a simple lifting machine consisting of a rope that unwinds from a wheel onto a cylindrical drum or shaft joined to the wheel to provide mechanical advantage
  3. 3. a wheel with a grooved rim around which a cord passes
  4. 7. a short, slender, sharp-pointed metal pin with a raised helical thread running around it and a slotted head, used to join things together by being rotated so that it pierces wood or other material and is held tightly in place