At an arbitrary cross-section, a - a the state of stress is obtained at various points (point 1 ~ 5, where point 3 is the midpoint). Select all that describe the stress at the cross-section a - a correctly. The cross-section a-a has three internal loadings, ie., shear force, normal force, and bending moment. The normal stress by bending moment at point 5 is zero. O The maximum shear stress by shear force occurs at the same point as the maximum normal stress by bending moment. O The maximum shear stress by shear force occurs at point 3. O Point 1 develops compressive normal stress by bending moment. O The shear stress by shear force at point 1 is zero.

At an arbitrary cross-section, a - a the state of stress is obtained at various points (point 1 ~ 5, where point 3 is the midpoint). Select all that describe the stress at the cross-section a - a correctly. The cross-section a-a has three internal loadings, ie., shear force, normal force, and bending moment. The normal stress by bending moment at point 5 is zero. O The maximum shear stress by shear force occurs at the same point as the maximum normal stress by bending moment. O The maximum shear stress by shear force occurs at point 3. O Point 1 develops compressive normal stress by bending moment. O The shear stress by shear force at point 1 is zero.

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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The cantilever beam with a rectangular cross-section is under the loading P as shown in the figure.

*(The figure displays a cantilever beam loaded at point P. The beam has a rectangular cross-section marked as "a-a". A close-up of the cross-section shows five points labeled 1 through 5, with point 3 as the midpoint.)*

**Part A**

At an arbitrary cross-section, a-a, the state of stress is obtained at various points (point 1 to 5, where point 3 is the midpoint). Select all that describe the stress at the cross-section a-a correctly.

- [ ] The cross-section a-a has three internal loadings, i.e., shear force, normal force, and bending moment.
- [ ] The normal stress by bending moment at point 5 is zero.
- [ ] The maximum shear stress by shear force occurs at the same point as the maximum normal stress by bending moment.
- [ ] The maximum shear stress by shear force occurs at point 3.
- [ ] Point 1 develops compressive normal stress by bending moment.
- [ ] The shear stress by shear force at point 1 is zero.

**Submit** **Request Answer**

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