CHAPTER 3 PRESSURE AND FLUID STATICS
Solution We are to examine a claim about absolute pressure. Analysis No, the absolute pressure in a liquid of constant density does not double when the depth is doubled. It is the gage pressure that doubles when the depth is doubled.
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www.teachengineering.org5. Calculate the absolute pressure at an ocean depth of 1.0 x 103 m. Assume that the density of the water is 1.025 x 103 kg/m3 and that P 0 = 1.01 x 105 Pa. Given: h = 1.0 x 103 m ρ = 1.025 x 103 kg/m3 P atm or P o = 1.01 x 105 Pa Unknown: P absolute Solution: P absolute = P atm + P gauge P absolute = P atm