Across
- 6. A sloped surface that moves
- 7. The point about which a lever pivots
- 9. an axle attached to the center of a wheel and both rotate together
- 10. the ratio of the output work to the input work
- 11. the unit for work
- 12. the ratio of a machine's output force produced to the input force applied
- 13. An inclined plane wrapped around a cylinder
Down
- 1. lever, wheel and axle, inclined plane, wedge, screw, and pulley
- 2. a flat, sloped surface
- 3. transfer of energy when a force is applied over a distance(FxD=W)
- 4. a simple machine made up of a bar that pivots, or rotates, about a fixed point.
- 5. a simple machine that is a grooved wheel with a rope or cable wrapped around it.
- 8. the rate at which work is done