Water 30°
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Fluid
The figure shows a gate made of two plates of lenght L1=2.5 m and L2= 0.5 m and widht 1 m, hinged about a horizontal axis, H. Performing a force and moment balance analysis, determine whether the gate will open in clockwise or counter-clockwise direction at the distance shown in the figure. Neglect the weight of the plate. (draw the free-body diagram)

Transcribed Image Text:### Diagram of a Water Tank System
The provided diagram illustrates a water tank system featuring important measurements and angles.
#### Description of the Diagram:
- **Yellow Area**: Represents water inside the tank.
- **Black Line/Arrow Directions**: Indicates the direction and flow path of the water.
- **Labels and Measurements**:
- **\( l_1 \)**: Denotes the length of the inclined section.
- **\( l_2 \)**: Represents the vertical length from the axis of the circle to the base.
- **\( H \)**: Stands for height from the base surface to the water level.
- **30°**: The angle between the inclined section and a horizontal plane.
#### Key Points:
1. **Water Label**: Positioned within the yellow area, indicating the contents of the tank.
2. **Inclined Section**: The angle of the inclined section from the horizontal plane is 30°.
3. **Measurements**:
- The slope length of the inclined section is labeled as \( l_1 \).
- The vertical distance from the axis of the circle to the base is labeled \( l_2 \).
- The height from the base to the water level is denoted by \( H \).
This diagram is instrumental in understanding the geometry and physical parameters of the water tank system, potentially useful for fluid dynamics or engineering studies.
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