PHYSICS Ch. 9 Fluid Statics

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Last updated 6:05 PM on 5/27/26
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6 Terms

1
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Density

ρ = m/V

ρ = density (kg/m3)

m = mass (kg)

V = volume (m3)

2
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Pressure

P = F / A

P = pressure (N/m2)

F = force (N)

A = area (m2)

3
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Liquid pressure

P = P0 + ρgh

P = absolute pressure (N/m2)

P0 = atmospheric pressure (N/m2)

ρ = fluid density (kg/m3)

g = acceleration due to gravity (10 m/s2)

h = fluid depth (m)

4
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Conservation of flow/equation of continuity

A1v1 = A2v2

A = area (m2)

v = velocity (m/s)

5
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Archimedes principle

Fb = ρVg

Fb = ρVsubg = ρVdisg

Fb = buoyant force (N)

ρ = fluid density (kg/m3)

V = volume (m3)

g = acceleration due to gravity (10 m/s2)

Vsub = volume submerged (m3)

Vdis = volume displaced (m3)

6
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Specific gravity

S .G. = ρobj / ρH2O