<P> A relatively simple version of the vertical fluid pressure variation is simply that the pressure difference between two elevations is the product of elevation change , gravity , and density . The equation is as follows : </P>
<P> A relatively simple version of the vertical fluid pressure variation is simply that the pressure difference between two elevations is the product of elevation change , gravity , and density . The equation is as follows : </P>
the difference in pressure between the top and bottom of a column of gas is calculated as
the difference in pressure between the top and bottom of a column of gas is calculated as
the product of elevation change , gravity , and density
the product of elevation change , gravity , and density