## Download illustration

- download Pixel graphics (PNG)
*awesome for presentations* - download Vector graphics (SVG)
*awesome for websites*

**Share** — copy and redistribute the material in any medium or format

**Adapt** — remix, transform, and build upon the material for any purpose, even commercially.

**Sharing and adapting of the illustration is allowed with indication of the link to the illustration.**

Continuity equation for fluids

`$$ A_1 \, v_1 ~=~ A_2 \, v_2 $$`states that for a smaller**cross-sectional area**\(A_1\), the**flow velocity**\(v_1\) through this cross-sectional area is*greater*.