Solution Found!
Solved: If the allowable tensile and compressive stress
Chapter 6, Problem 6-78(choose chapter or problem)
If the allowable tensile and compressive stress for the beam are \(\left(\sigma_{\text {allow }}\right)_{t}=2 \mathrm{ksi} \text { and }\left(\sigma_{\text {allow }}\right)_{c}=3 \mathrm{ksi}\), respectively, determine the maximum moment M that can be applied on the cross section.
Questions & Answers
QUESTION:
If the allowable tensile and compressive stress for the beam are \(\left(\sigma_{\text {allow }}\right)_{t}=2 \mathrm{ksi} \text { and }\left(\sigma_{\text {allow }}\right)_{c}=3 \mathrm{ksi}\), respectively, determine the maximum moment M that can be applied on the cross section.
ANSWER:
Step 1 of 3
Given,
The allowable tensile stress is 
The allowable compressive stress is 
The cross-section:
The area of the section 1 from the above figure is given by,
The area of section 2 from the above figure is,
And the area of section 3 is,
