Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Question

The solid shaft shown is formed of a brass for which the allowable shearing stress is 55 MPa. Neglecting the effect of stress concentrations, determine the smallest diameters dAB and dBC for which the allowable shearing stress is not exceeded. Take TC = 300 N·m. 

 

### Torsion in a Shaft The image illustrates a shaft subjected to torsional forces. Key elements include: - **Points**: - **A**: The starting point of the shaft, where it is fixed. - **B**: The point at which a torque \( T_B = 1200 \, \text{N} \cdot \text{m} \) is applied. - **C**: The end of the shaft where torque \( T_C \) is applied. - **Distances**: - \( d_{AB} = 750 \, \text{mm} \): The distance from point A to point B. - \( d_{BC} = 600 \, \text{mm} \): The distance from point B to point C. - **Torques**: - \( T_B = 1200 \, \text{N} \cdot \text{m} \) is acting in a clockwise direction at point B. - \( T_C \) is shown in a counterclockwise direction at point C. This diagram represents how torques are applied along the length of a cylindrical shaft. Understanding the distribution and direction of these forces is essential in mechanical and structural engineering to prevent mechanical failures.
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Transcribed Image Text:### Torsion in a Shaft The image illustrates a shaft subjected to torsional forces. Key elements include: - **Points**: - **A**: The starting point of the shaft, where it is fixed. - **B**: The point at which a torque \( T_B = 1200 \, \text{N} \cdot \text{m} \) is applied. - **C**: The end of the shaft where torque \( T_C \) is applied. - **Distances**: - \( d_{AB} = 750 \, \text{mm} \): The distance from point A to point B. - \( d_{BC} = 600 \, \text{mm} \): The distance from point B to point C. - **Torques**: - \( T_B = 1200 \, \text{N} \cdot \text{m} \) is acting in a clockwise direction at point B. - \( T_C \) is shown in a counterclockwise direction at point C. This diagram represents how torques are applied along the length of a cylindrical shaft. Understanding the distribution and direction of these forces is essential in mechanical and structural engineering to prevent mechanical failures.
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