Across
- 2. class lever - fulcrum at the end, load in the middle; wheel barrow, car-jack
- 4. - A device that is thick at one end and tapers to a thin edge at the other end.
- 6. - An inclined plane wrapped around a cylinder
- 8. - a simple machine consisting of a bar that pivots on a fixed point
- 9. class lever - fulcrum at the end, effort in the middle; tweezers, baseball bat
Down
- 1. Plane - a slanted surface along which a force moves an object to a different elevation
- 3. - A simple machine that consists of a grooved wheel with a rope or cable wrapped around it.
- 4. and Axle - a lifting machine consisting of a rope and wheel that unwinds from a wheel to lift something
- 5. class lever - fulcrum in the middle; see-saw, hammer, scissors
- 7. - unit to measure distance