d'Alembert's paradox

Alternative forms

 * D'Alembert's paradox

Etymology
Observed in 1752 by French mathematician Jean le Rond d'Alembert.

Proper noun

 * 1)  The contradiction that, for incompressible and inviscid potential flow, the drag force is zero on a body moving with constant velocity relative to the fluid.

Synonyms

 * hydrodynamic paradox