Across
- 4. used to put stuff together
- 6. wheel with teeth
- 9. the greater the distance the less the effort force
- 10. something that reduces the force needed to complete a task
- 11. spikes on gear
Down
- 1. two or more simple machines put together
- 2. effort applied to move something
- 3. reduces friction
- 5. used to lift stuff with rope
- 7. has a fulcrum
- 8. used to separate stuff