Across
- 3. a bar resting on a pivot, used to help move heavy objects
- 5. a machine made up of 3 or more simple machines
- 6. A weel with a grooved rim around which a cord passes
- 8. two parts that rotate together which makes force transfer together
Down
- 1. a material having one thick side and one slender side
- 2. a flat supporting surface tilted at an angle
- 4. A short slender sharp pointed metal pin
- 7. the point where a lever rests