Assertion: airfoil | /r/CapableOf | create lifting force
Facets:
Source sentences:
text: In general an airfoil does not only create a lifting force, it also creates a moment, which tries to rotate the airfoil to a different, angle of attack.
text: An airfoil produces a lifting force that acts at right angles to the airstream and a dragging force that acts in the same direction as the airstream.