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Chapter 2: Total Hydrostatic Force on Surfaces

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Presentation on theme: "Chapter 2: Total Hydrostatic Force on Surfaces"— Presentation transcript:

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2 Chapter 2: Total Hydrostatic Force on Surfaces
Principles of Hydrostatics Chapter 2: Total Hydrostatic Force on Surfaces Chapter 3: Hydrostatic Force on Surfaces

3 Buoyancy Force

4 Example 1: An iceberg having a specific gravity of 0.92 is floating on salt water of specific gravity of If the volume of ice above the water surface is 1000 m3, what is the total volume of the ice? Drawing P3-28 Page 124

5 Example 2: A stone weighing 460 N in air. When submerged in water, it weighs 300 N. Find the volume and specific gravity of the stone. Drawing P3-28 Page 124

6 Example 3: A body having a specific gravity of 0.7 floats on a liquid of specific gravity of 0.8. The volume of the body above the liquid surface is what percent of its total volume? Drawing P3-28 Page 124

7 Example 4: A block of wood 0.20 m thick is floating in sea water. The specific gravity of wood is 0.65 while that of seawater is Find the minimum area of a block which will support a man weighing 80 kg. Drawing P3-28 Page 124

8 Example 5: The block shown in the figure weighs 35,000 lbs. Find the value of h. Drawing P3-28 Page 124

9 Example 2: A block of wood 0.60 m x 0.60 m x h meters in dimension was thrown into the water and floats with 0.18 m projecting above the water surface. The same block was thrown into a container of a liquid having a specific gravity of 0.90 and it floats with 0.14 m projecting above the surface. Determine the following: (a) the value of h (b) the specific gravity of the block, and (c) the weight of the block Drawing P3-28 Page 124


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