Across
- 3. an inclined plane that wraps around a shaft.
- 4. uses grooved wheels and a rope, belt or chain.
- 6. made of 2 inclined planes put together.
Down
- 1. plane a straight slanted surface.
- 2. and axle a modification of a pulley.
- 5. a stiff rod that rod that rotates around a pivot point.