Calculate Maximum Stress in Pipe AB and Rod BC Shaft

kappcity06
Messages
90
Reaction score
0
The built-up shaft consists of a pipe AB and solid rod BC. The pipe has an inner diameter of 20 mm and outer diameter of 28 mm. The rod has a diameter of 12 mm. Determine the maximum stress in the shaft.

I have stress=V/A

I picked 12N as V

and Aream I am confused

any help?
 

Attachments

  • 1.jpg
    1.jpg
    13.8 KB · Views: 877
Physics news on Phys.org
If you draw a free body diagram of the pipe that encircles A and cuts through D, what is the internal force in the pipe? If you draw a free body diagram of the rod that encircles C and cuts through E, what is the internal force in the rod? Once you determine these forces, the axial stresses follow from F/A evaluated for each piece, and then compare the two to see which is higher. You should be able to calculate the cross section areas of each piece. Note that 12N is not the corrrect force to use.
 
Thread 'Need help understanding this figure on energy levels'

Thread 'Need help understanding this figure on energy levels'

This figure is from "Introduction to Quantum Mechanics" by Griffiths (3rd edition). It is available to download. It is from page 142. I am hoping the usual people on this site will give me a hand understanding what is going on in the figure. After the equation (4.50) it says "It is customary to introduce the principal quantum number, ##n##, which simply orders the allowed energies, starting with 1 for the ground state. (see the figure)" I still don't understand the figure :( Here is...
View full post »
Thread 'Understanding how to "tack on" the time wiggle factor'

Thread 'Understanding how to "tack on" the time wiggle factor'

The last problem I posted on QM made it into advanced homework help, that is why I am putting it here. I am sorry for any hassle imposed on the moderators by myself. Part (a) is quite easy. We get $$\sigma_1 = 2\lambda, \mathbf{v}_1 = \begin{pmatrix} 0 \\ 0 \\ 1 \end{pmatrix} \sigma_2 = \lambda, \mathbf{v}_2 = \begin{pmatrix} 1/\sqrt{2} \\ 1/\sqrt{2} \\ 0 \end{pmatrix} \sigma_3 = -\lambda, \mathbf{v}_3 = \begin{pmatrix} 1/\sqrt{2} \\ -1/\sqrt{2} \\ 0 \end{pmatrix} $$ There are two ways...
View full post »

Similar threads

Relative angle of twist between ends of the shaft
Replies
1
Views
1K
Calculate deflection of rod/axlepipe due to distributed load
Replies
5
Views
2K
Simple framework, maximum force and stress.
Replies
1
Views
2K
Torque needed to rotate shaft in pipe?
Replies
4
Views
2K
Calculating bending stress on a pipe
Replies
3
Views
5K
Minimum Shear Stress in Hollow Circular Tube
Replies
3
Views
14K
What Is the Maximum Speed of a Hollow Shaft Given Specific Shear Stress Limits?
Replies
3
Views
2K
Radial Deflection of a rotating shaft
Replies
11
Views
4K
Hexagonal fuel arrays (VVER and fast reactor fuel)
Replies
0
Views
2K
How to Determine Maximum M and T in a Cantilever Shaft?
Replies
3
Views
5K

Hot Threads

Recent Insights

Back
Top