Across
- 5. a sloping ramp up which heavy loads can be raised by ropes or chains
- 6. a piece of wood or some other material having one think end and tapering to a thin edge
- 8. the point on which a lever rests or is supported and on which it pivots
Down
- 1. a machine consisting of two or more simple machines operating together
- 2. a wheel joined by a shaft to provide mechanical advantage
- 3. used to raise heavy weights
- 4. used to help move a heavy or firmly fixed load with one end when pressure is applied to the other
- 7. used to join things together so that it pierces whatever material