Across
- 1. metric unit of work
- 5. two inclined planes put together giving it a thick end and a thin end
- 9. "___ plane"; slanted surface connecting a lower elevation to a higher elevation
- 11. "___ motion machine"; an impossible type of machine
Down
- 2. calculation of the amount of useful work a machine does compared to the amount of input work
- 3. rod that swings around a fixed point
- 4. makes work easier by changing required force and distance
- 5. "___ and axle"; two rings or cylinders of different size connected together
- 6. machine that includes two or more simple machines
- 7. there are six of this kind of machine
- 8. inclined plane wrapped around a cylinder
- 10. done when a force moves an object
- 11. rope wrapped around a grooved wheel