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311_guide8

# 311_guide8 - ME/NE 311 Introduction to Thermal and Fluid...

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ME 311 Reading Guide #8 1/2 ME/NE 311 Introduction to Fluid Sciences Thermal and Reading Guide #8 Chapter 4 Sections 2.3, 2.5, 3 and 4 ( NOTE: Skip section 4.2.4: Forces on Submerged Curved Surfaces) Section 4.2.3: Fluid Statics: Forces on Submerged Plane Surfaces 1. Why was it important for the Philadelphia zoo to accurately compute the hydrostatic forces on the glass window in the bear exhibit? _____________________________________________________ 2. The angle θ is measured from to what surface (__________________________) to what surface (______________________________________________________). 3. What branch of mathematics was used to translate the depth, z, into a relation in terms of θ used in Equation 4‐7. ______________________________ 4. In Equation 4‐7 and Figure 4.8, are axes ‘z’ and ‘y’ orthogonal? Yes or no 5. The value of ρ gsin θ ( ) y c represents the hydrostatic pressure evaluated at the centroid of a ue or false flat surface. Tr 6. The density in ρ gsin θ ( ) y c is that of (a) the flat surface, or (b) of the fluid in which the flat surface is submerged. ____________ 7. The value of y c is measured from (a) the top of the flat surface, or (b) from the free surface of the fluid in which the flat surface is submerged. ________

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311_guide8 - ME/NE 311 Introduction to Thermal and Fluid...

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