Determine the maximum in-plane shear stress developed at point A on the cross section of the arm at section a-a. Point A is located on the web of the I beam, immediately below the flange. Please use the shear formula when calculating the shear stress, T. (See chapter 7 of the textbook if you're unsure). The question is asking for the maximum in-plane shear stress, you can use Mohr's circle to determine this, once you have calculated the stresses at Point A.

Determine the maximum in-plane shear stress developed at point A on the cross section of the arm at section a-a. Point A is located on the web of the I beam, immediately below the flange. Please use the shear formula when calculating the shear stress, T. (See chapter 7 of the textbook if you're unsure). The question is asking for the maximum in-plane shear stress, you can use Mohr's circle to determine this, once you have calculated the stresses at Point A.

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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Concept explainers

Stress transformation

The term stress indicates the measure of internal forces that develop due to an external force's application on an object. When a specific external force is applied to an object, internal stress generates in the material. The value of stress can obtain by taking the ratio of the externally applied force and cross-sectional area of the object. There are different types of stress depending on the type of external force.

Question

calculate the following task

Determine the maximum in-plane shear stress developed at point A on the cross
section of the arm at section a-a. Point A is located on the web of the I beam,
immediately below the flange. Please use the shear formula when calculating the
shear stress, T. (See chapter 7 of the textbook if you're unsure). The question is
asking for the maximum in-plane shear stress, you can use Mohr's circle to determine
this, once you have calculated the stresses at Point A.
F
B
k
b/3
b/3
L/4
a
a
*
A
b/3
L/4
3b
kb ➜
Section a-a
30°
The length if the arm, L, is 620.0 mm.
The applied force, P, is 600 N.
The width of the section a-a, b, is 20mm.
C
L/2
P

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Step 1: Introduction

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Step 2: Force calculation at point B and C

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Step 3: Shear force and axial load diagram

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Step 4: Second area moment of inertia calculation

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Step 5: Axial stress and bending stress at point A

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Step 6: Shear stress at point A

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Step 7: Maximum in - plane shear stress calculation

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