Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
mechanical system
|
| gptkbp:application |
machinery
vehicles |
| gptkbp:component |
wheel
axle |
| gptkbp:enables |
gptkb:transportation
|
| gptkbp:function |
facilitate movement
|
| gptkbp:historicalName |
gptkb:ancient_Mesopotamia
|
| https://www.w3.org/2000/01/rdf-schema#label |
Wheel System
|
| gptkbp:inventedBy |
around 3500 BCE
|
| gptkbp:principle |
reduces friction
|
| gptkbp:usedIn |
bicycles
cars trains carts conveyor belts |
| gptkbp:bfsParent |
gptkb:satellite
|
| gptkbp:bfsLayer |
4
|