{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

phy2048 lecture34

phy2048 lecture34 - 14-1 What Is Physics 14-2 What Is a...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 14-1 What Is Physics? 14-2 What Is a Fluid?14-3 Density and Pressure14-4 Fluids at Rest14-5 Measuring Pressure14-6 Pascal’s Principle14-7 Archimedes’ Principle14-8 Ideal Fluids in Motion14-9 The Equation of Continuity14-10 Bernoulli’s EquationChapter 14:FluidsChapter 14 Homework5, 6, 9, 12, 16, 25, 26, 28, 30, 32, 35, 37DensityVm∆∆=ρ:DensityMass•SI Unit: kg/m3•Uniform density ρ= m/VAm∆∆=σ:DensityAreaLm∆∆=μ:DensityLinear Water1 000 kg/m3Ice917 kg/m3 Aluminum2 700 kg/m3Cooper8 890 kg/m3Lead11 300 kg/m3Mercury13 600 kg/m3Gold19 300 kg/m3Air1.21 kg/m3Helium0.179 kg/m3 Oxygen1.43 kg/m3PressureAFP∆∆=:Pressure•Scalar, not a vector•SI Unit: Pascal (Pa) 1 Pa = 1 N/m2•Other Units: bar, atm, torr (mmHg)•Atmospheric pressure: 1 atm (atmosphere) = 1.013×105PaUniform force: P = F/ASample Problem 14-1.Living room 3.5 m ×4.2 m ×2.4 m, P= 1.0 atm(a)What is the weight of the air? (420 N)(b) What is the force on top of your head, which we take to have an area of 0.040 m2? (4.0×103N)Pressure in a Static Fluidghpygppρρ=∆∆+=12ghppρ+=Absolute pressureAtmospheric pressureGauge pressureExamples...
View Full Document

{[ snackBarMessage ]}

Page1 / 10

phy2048 lecture34 - 14-1 What Is Physics 14-2 What Is a...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon bookmark
Ask a homework question - tutors are online