Across
- 3. Plane consisting of a sloping surface, used for raising heavy bodies.
- 4. a circular device that rotates on an axle and is used to facilitate movement or transportation by reducing friction between surfaces.
- 6. a basic mechanical device that consists of a rigid
Down
- 1. simply an inclined plane around a cylinder.
- 2. a wheel that carries a flexible rope, cord, etc on its rim
- 4. simply a triangular tool, often made of metal, wood, etc
- 5. a central shaft or rod on which a rotating wheel/wheels that revolves.