Simple Machines
Across
- 3. is made up of a circular frame, that revolves on a shaft or rod.
- 5. is a wheel that carries a flexible rope, cord, cable, chain, or belt on its rim.
Down
- 1. is a usually circular cylindrical member with a continuous helical rib, used either as a fastener or as a force and motion modifier.
- 2. is an object that tapers to a thin edge.
- 4. is a bar or board that rests on a support called a fulcrum