Across
- 3. a pair of inclined planes that move
- 5. a simple machine that has grooved wheel that holds a rope or cable
- 7. efficiency comparison of a machines work output with the work input
- 8. a simple machine that has a bar that pivots at a fixed point
Down
- 1. an inclined plane that is wrapped in a spiral around a cylinder
- 2. plane a simple machine that is straight, slanted surface
- 3. and axel is a simple machine that is made of a wheel connected to a smaller cylindrical object, the axle
- 4. an apparatus using mechanical power
- 6. the fixed point