Assertion: airfoil's pressure | /r/HasProperty | time
Facets:
Source sentences:
text: To obtain the net mechanical force on the solid object, we have to multiply the pressure (perpendicular to the surface) times the area around the entire body.
text: As shown in the figure, for a square box immersed in a static fluid, the pressure times the area on one side of the box is balanced by the pressure times the area on the other side, because the direction of the pressure force is different.