Questões de Concurso Militar DPC - Marinha 2008 para Praticante de Prático

In a single propeller ship going ahead, with a right-hand screw, as a blade moves downward it meets water which is moving upward as well as aft. This is equivalent to _________________ the relative velocity and the angle of attack at same time and thus, _________________ in thrust is experienced. On the opposite side, a ______________ in thrust is experienced. The net effect of the reaction to the inclined flow, then, is a _________________ tending to _____________the ship to the _____________.
According to R. S. Crenshaw, Jr., in the book “Naval Shiphandling”, which answer best fill in the blanks?