A structure is attached to the ocean floor as shown d wall and h

Elements Of Electromagnetics
7th Edition
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Author:Sadiku, Matthew N. O.
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ChapterMA: Math Assessment
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Can I have part b, c and d of this question explained thoroughly please, many thanks.

2.
A structure is attached to the ocean floor as shown in Figure Q2. A 2m
diameter hatch is located in an inclined wall and hinged on one edge.
Neglect the weight of the hatch and friction in the hinge.
(a) Determine the magnitude of resultant force acting on the hatch by the
seawater
(b) Determine the location of the resultant force acting by the seawater;
(c) Find the moment of resultant force by the seawater with respect to the
hinge;
(d) Determine the minimum air pressure, p₁, within the container that will
open the hatch.
10 m
Hatch
Seawater
7
Free surface
30°
Hinge
Air pressure, Pi
Figure 2 Q2
Note: density of water is 1000 kg/m³ and density of air 1.2 kg/m³
Transcribed Image Text:2. A structure is attached to the ocean floor as shown in Figure Q2. A 2m diameter hatch is located in an inclined wall and hinged on one edge. Neglect the weight of the hatch and friction in the hinge. (a) Determine the magnitude of resultant force acting on the hatch by the seawater (b) Determine the location of the resultant force acting by the seawater; (c) Find the moment of resultant force by the seawater with respect to the hinge; (d) Determine the minimum air pressure, p₁, within the container that will open the hatch. 10 m Hatch Seawater 7 Free surface 30° Hinge Air pressure, Pi Figure 2 Q2 Note: density of water is 1000 kg/m³ and density of air 1.2 kg/m³
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