The cantilever beam shown in Figure A is subjected to load magnitudes o shown in Figure B has dimensions of by = 7.6 in., tf = 0.64 in., d = 10 (a) the bending stress at point A. (b) the bending stress at point B. (c) the angle for the orientation of the neutral axis relative to the + za axis. L D C by Iw. B C d

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Part1,5,6 please

## Understanding Bending Stress in a Cantilever Beam

The cantilever beam shown in Figure A is subjected to load magnitudes of \( P_z = 3.3 \) kips and \( P_y = 8.1 \) kips. The flanged cross-section shown in Figure B has dimensions of \( b_f = 7.6 \) in., \( t_f = 0.64 \) in., \( d = 10.0 \) in., and \( t_w = 0.30 \) in. Using \( L = 80 \) in., determine:

(a) The bending stress at point A.
(b) The bending stress at point B.
(c) The angle \( \beta \) for the orientation of the neutral axis relative to the \( +z \) axis. Note that positive \( \beta \) angles rotate clockwise from the \( +z \) axis.

### Figure Descriptions
**Figure A:** Displays a cantilever beam fixed at one end, with loads \( P_z \) and \( P_y \) acting downwards at the free end. The beam is oriented with the \( x \), \( y \), and \( z \) axes labeled, and points A and B marked along the beam length.

**Figure B:** Shows the cross-section of the beam with the following labeled dimensions and axes:
- \( b_f \): Flange breadth
- \( t_f \): Flange thickness
- \( d \): Total depth of the cross-section
- \( t_w \): Web thickness
- \( y \), \( z \): Axes of orientation for the cross-section

### Part 1: Calculating the Area Moment of Inertia
For the cross-section, determine:
- The area moment of inertia \( I_z \) about the \( z \) axis.
- The area moment of inertia \( I_y \) about the \( y \) axis.

\[ I_z = \quad \text{in.}^4 \]
\[ I_y = \quad \text{in.}^4 \]

#### Interactive Features
- Enter values in provided fields to solve the problem.
- Utilize the eTextbook and media resources for additional information and understanding.
- Save work for later review or submit answers for evaluation.

This resource serves as a practical guide for calculating bending stresses and understanding structural behavior under specific loading conditions.
Transcribed Image Text:## Understanding Bending Stress in a Cantilever Beam The cantilever beam shown in Figure A is subjected to load magnitudes of \( P_z = 3.3 \) kips and \( P_y = 8.1 \) kips. The flanged cross-section shown in Figure B has dimensions of \( b_f = 7.6 \) in., \( t_f = 0.64 \) in., \( d = 10.0 \) in., and \( t_w = 0.30 \) in. Using \( L = 80 \) in., determine: (a) The bending stress at point A. (b) The bending stress at point B. (c) The angle \( \beta \) for the orientation of the neutral axis relative to the \( +z \) axis. Note that positive \( \beta \) angles rotate clockwise from the \( +z \) axis. ### Figure Descriptions **Figure A:** Displays a cantilever beam fixed at one end, with loads \( P_z \) and \( P_y \) acting downwards at the free end. The beam is oriented with the \( x \), \( y \), and \( z \) axes labeled, and points A and B marked along the beam length. **Figure B:** Shows the cross-section of the beam with the following labeled dimensions and axes: - \( b_f \): Flange breadth - \( t_f \): Flange thickness - \( d \): Total depth of the cross-section - \( t_w \): Web thickness - \( y \), \( z \): Axes of orientation for the cross-section ### Part 1: Calculating the Area Moment of Inertia For the cross-section, determine: - The area moment of inertia \( I_z \) about the \( z \) axis. - The area moment of inertia \( I_y \) about the \( y \) axis. \[ I_z = \quad \text{in.}^4 \] \[ I_y = \quad \text{in.}^4 \] #### Interactive Features - Enter values in provided fields to solve the problem. - Utilize the eTextbook and media resources for additional information and understanding. - Save work for later review or submit answers for evaluation. This resource serves as a practical guide for calculating bending stresses and understanding structural behavior under specific loading conditions.
Part 5

Determine the bending stress at \( B \). Use the sign convention for normal stresses.

\[
\sigma_{x, B} = \, \text{___} \, \text{ksi}
\]

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---

Part 6

Determine the angle \( \beta \) for the orientation of the neutral axis relative to the \( +z \) axis. Note that positive \( \beta \) angles rotate clockwise from the \( +z \) axis.

\[
\beta = \, \text{___} \, ^\circ
\]

[Input Box]

eTextbook and Media

[Save for Later] [Submit Answer]
Transcribed Image Text:Part 5 Determine the bending stress at \( B \). Use the sign convention for normal stresses. \[ \sigma_{x, B} = \, \text{___} \, \text{ksi} \] [Input Box] eTextbook and Media [Save for Later] [Submit Answer] --- Part 6 Determine the angle \( \beta \) for the orientation of the neutral axis relative to the \( +z \) axis. Note that positive \( \beta \) angles rotate clockwise from the \( +z \) axis. \[ \beta = \, \text{___} \, ^\circ \] [Input Box] eTextbook and Media [Save for Later] [Submit Answer]
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