Across
- 3. a stiff bar that rests on a support called a fulcrum which lifts or moves loads
- 4. uses grooved wheels and a rope to raise, lower, or move a load
- 6. a simple machine that pushes objects apart and has one slanting edge and one sharp edge
Down
- 1. a wheel with a rod, called an axle, through its center lifts or moves loads
- 2. a slanting surface connecting a lower lever to a higher level
- 5. an inclined plane wrapped around a pole which holds things together or lifts materials