Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Consider the beam shown in (Figure 1). Suppose that a = 190 mm, b = 200 mm, c = 20 mm. Determine the moment of inertia about the y axis.

### Diagram Explanation for Beam Cross Section

#### Description:
The diagram illustrates the cross-sectional view of an I-beam, a structural component commonly used in engineering and construction due to its high strength-to-weight ratio.

#### Key Labels and Dimensions:
- **a**: Represents the width of the flange on either side of the beam's web.
- **b**: Indicates the height of the web, which connects the top and bottom flanges.
- **c**: Denotes the thickness of the flange's edges.
- **x-axis**: The horizontal axis running through the center of the beam’s depth.
- **y-axis**: The vertical axis running through the center of the beam’s width.
- **Point C**: The centroid of the I-beam, located at the intersection of the x and y axes.

#### Structural Components:
1. **Flange**: The horizontal top and bottom parts of the I-beam. These parts are essential for the beam's ability to resist bending.
2. **Web**: The vertical section connecting the two flanges. This part primarily resists shear forces.

This diagram is pivotal for understanding the geometry of I-beams, which are crucial in structural engineering for their efficiency in bearing loads.
Transcribed Image Text:### Diagram Explanation for Beam Cross Section #### Description: The diagram illustrates the cross-sectional view of an I-beam, a structural component commonly used in engineering and construction due to its high strength-to-weight ratio. #### Key Labels and Dimensions: - **a**: Represents the width of the flange on either side of the beam's web. - **b**: Indicates the height of the web, which connects the top and bottom flanges. - **c**: Denotes the thickness of the flange's edges. - **x-axis**: The horizontal axis running through the center of the beam’s depth. - **y-axis**: The vertical axis running through the center of the beam’s width. - **Point C**: The centroid of the I-beam, located at the intersection of the x and y axes. #### Structural Components: 1. **Flange**: The horizontal top and bottom parts of the I-beam. These parts are essential for the beam's ability to resist bending. 2. **Web**: The vertical section connecting the two flanges. This part primarily resists shear forces. This diagram is pivotal for understanding the geometry of I-beams, which are crucial in structural engineering for their efficiency in bearing loads.
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