1. A structure is attached to the ocean floor as shown in the Figure. A 2-m-diameter hatch is located in an inclined wall and hinged on one edge. Determine the minimum air pressure, p₁, within the container that will open the hatch. Consider the weight of the hatch is 50N. Consider seawater specific gravity is 1.025. 10 m Hatch Seawater 30° Hinge Air pressure, P₁ Free surface

Structural Analysis
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Chapter2: Loads On Structures
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1. A structure is attached to the ocean floor as shown in the Figure. A 2-m-diameter hatch is
located in an inclined wall and hinged on one edge. Determine the minimum air pressure,
P1, within the container that will open the hatch. Consider the weight of the hatch is 50N.
Consider seawater specific gravity is 1.025.
10 m
Hatch
Seawater
30°
Hinge
Air pressure, P1
Free surface
Transcribed Image Text:1. A structure is attached to the ocean floor as shown in the Figure. A 2-m-diameter hatch is located in an inclined wall and hinged on one edge. Determine the minimum air pressure, P1, within the container that will open the hatch. Consider the weight of the hatch is 50N. Consider seawater specific gravity is 1.025. 10 m Hatch Seawater 30° Hinge Air pressure, P1 Free surface
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