Determine the centroid of the area shown by direct integration. V2 = kr/2 b Yı = mx )a. | )b. I|||

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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**Title: Determining the Centroid of an Area through Direct Integration**

**Problem Statement**  
Determine the centroid of the area shown by direct integration.

**Diagram Explanation**  
A shaded region is depicted under two curves on a standard Cartesian plane. The x-axis and y-axis intersect at the origin. The area is bounded by:

- The line \( y_1 = mx \), which represents a straight line starting from the origin.
- The curve \( y_2 = kx^{1/2} \), which is a parabolic curve opening to the right.
- The vertical line at \( x = a \), marking the right boundary of the region.
- The horizontal line at \( y = b \), marking the top boundary.

Dimensions involved are marked:
- The horizontal distance from the origin to the vertical boundary is labeled \( a \).
- The vertical distance from the x-axis to the horizontal boundary is labeled \( b \).

**Centroid Calculation**  
The centroid coordinates \((\bar{x}, \bar{y})\) are represented as:

\[
\bar{x} = \left( \frac{\text{[Expression for }\bar{x]\text{]}} \right) \, \text{a}.
\]

\[
\bar{y} = \left( \frac{\text{[Expression for }\bar{y]\text{]}} \right) \, \text{b}.
\]

To solve, integrate over the specified area using methods appropriate for the geometry of the region defined by the curves.
Transcribed Image Text:**Title: Determining the Centroid of an Area through Direct Integration** **Problem Statement** Determine the centroid of the area shown by direct integration. **Diagram Explanation** A shaded region is depicted under two curves on a standard Cartesian plane. The x-axis and y-axis intersect at the origin. The area is bounded by: - The line \( y_1 = mx \), which represents a straight line starting from the origin. - The curve \( y_2 = kx^{1/2} \), which is a parabolic curve opening to the right. - The vertical line at \( x = a \), marking the right boundary of the region. - The horizontal line at \( y = b \), marking the top boundary. Dimensions involved are marked: - The horizontal distance from the origin to the vertical boundary is labeled \( a \). - The vertical distance from the x-axis to the horizontal boundary is labeled \( b \). **Centroid Calculation** The centroid coordinates \((\bar{x}, \bar{y})\) are represented as: \[ \bar{x} = \left( \frac{\text{[Expression for }\bar{x]\text{]}} \right) \, \text{a}. \] \[ \bar{y} = \left( \frac{\text{[Expression for }\bar{y]\text{]}} \right) \, \text{b}. \] To solve, integrate over the specified area using methods appropriate for the geometry of the region defined by the curves.
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