simple machines
Across
- 3. a rigid bar resting on a pivot.
- 5. a plane inclined at an angle to horizontal.
- 6. sharp-pointed metal pin with a raised helical thread running around it and a slotted head.
Down
- 1. assembly formed by two disks, or cylinders, of different diameters mounted so they rotate together around the same axis.
- 2. a wheel with a grooved rim around which a cord passes.
- 4. that is driven between two objects.