$19$

Multiple Choice

$1$ point

The figure below shows a control volume and system for the questions below.

For a fluid particle, $W_{tangentiaf}^{}{?}_{\text{s}\text{t}\text{r}\text{e}\text{s}\text{s}}=F_{tangential\text{s}\text{t}\text{r}\text{e}\text{s}\text{s}}*V=0$ at$/$on

the inlet, outlet, and wetted surface

the wetted surface

the inlet and outlet