Across
- 4. divided into three classes •
- 5. divided into three classes •
- 7. support around which a lever can rotate or pivot •
- 9. bar that can rotate freely around a fulcrum •
Down
- 1. divided into three classes •
- 2. from engine to the driveshaft •
- 3. force exerted by the load on a lever •
- 6. a flag, we pull down flag goes up •
- 8. jack: we push with