Across
- 3. what is an object that is thick at one edge tapered to a thin edge at the other called?
- 4. what is a chain belt or rope wrapped around a wheel called?
- 5. what is the straight bar that pivots on or around a fulcrum called?
Down
- 1. what is a flat surface with one end higher than the other end called?
- 2. what is a wheel attached to a bar so they can rotate together called?