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simple machines
the 7 simple machines
| Question | Answer |
|---|---|
| pulley | a machine that uses grooved wheels and a rope to raise lower or move a load |
| screw | an inclinded plane wrapped around a pole which holds things toogetrher |
| inclinded plane | a slanting surface conecting a lower level to a higer level |
| wheel and axle | a wheel with a rod called an axle throgh its center |
| wedge | chizel nife |
| lever | 3 |