This is weird... suddenly almost everything works?

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TridenT

TridenT

Lifer
Sep 4, 2006
16,810
45
91
I remember always having troubles with my computer working or with something not working like all the fucking time. I would spend so much time searching and posting on forums just to get fixes and trying to solve my own technical problems...

Now it seems I hardly ever run into a problem.

Wtf is with that shit?

Feels good man. :whiste:
 
TridenT

TridenT

Lifer
Sep 4, 2006
16,810
45
91
MikeMike said:
you ate to many fruit loops
Click to expand...

I've been eating beef jerky and drinking coke zero.

maybe that's why.

Also doing homework... :ninja: I hate doing this problem:

#12.
13problem.jpg
 
rcpratt

rcpratt

Lifer
Jul 2, 2009
10,433
110
116
How is that hard? All you have to do is the pythagorean theorem and a little trig. Don't even have to sum moments or anything.
 
dud

dud

Diamond Member
Feb 18, 2001
7,635
73
91
Now that almost everything works ... does this mean you are going to stop posting in the forums?
 
M

MikeMike

Lifer
Feb 6, 2000
45,885
66
91
wtf is the angle of theta? how can you do that problem without the angle? or do you have to figure out both the angle, and the force?
 
rcpratt

rcpratt

Lifer
Jul 2, 2009
10,433
110
116
MikeMike said:
wtf is the angle of theta? how can you do that problem without the angle? or do you have to figure out both the angle, and the force?
Click to expand...
You know two sides of the right triangle, so that means you can find out the other side and the theta with high school trig.
 
TridenT

TridenT

Lifer
Sep 4, 2006
16,810
45
91
I wonder if I did this one right.

13problemo.jpg


Somehow I feel that I might have gotten the matrix wrong, but I maybe I got it right. :p
 
rcpratt

rcpratt

Lifer
Jul 2, 2009
10,433
110
116
Wait, I can't even read the angles or tell where they're supposed to be. Who knows.

If ABC is 35 degrees and ACB is 70 degrees, that's right. But that's a pretty terrible drawing of 35 degrees.
 
Last edited:
TridenT

TridenT

Lifer
Sep 4, 2006
16,810
45
91
rcpratt said:
Wait, I can't even read the angles or tell where they're supposed to be. Who knows.

If ABC is 35 degrees and ACB is 70 degrees, that's right. But that's a pretty terrible drawing of 35 degrees.
Click to expand...

mehm.jpg


That's the problem (top diagram). That's the result of my matrix.
 
TridenT

TridenT

Lifer
Sep 4, 2006
16,810
45
91
rcpratt said:
Wait, I can't even read the angles or tell where they're supposed to be. Who knows.

If ABC is 35 degrees and ACB is 70 degrees, that's right. But that's a pretty terrible drawing of 35 degrees.
Click to expand...

Yes, it is a bad drawing of 35 degrees.. just realized that. I didn't pay attention to the whole like... drawing to scale shit.
 
TridenT

TridenT

Lifer
Sep 4, 2006
16,810
45
91
Fuck. I'm at my last problem on the homework and totally lost. :awe:

"A 1-cm diameter, 0.4-m-long steel rod is to be used in an application where it will be subjected to an axial tensile force of 15 kN. The factor of safety based on yield stress must be at least 1.5, and the axial deformation must not exceed 2cm. Is the steel whose stress-strain diagram is shown in Figure P26 suitable for this application? Explain."

ahcrud.jpg


The answer is: No. the factor of safety is acceptable at FS = 1.57, but the deformation is [lower case delta] = 3.82 cm, which exceeds the allowable deformation.

I have no clue how they got the answer, because the book doesn't have written out solutions. (No solutions manual arrghh)
 
zerocool84

zerocool84

Lifer
Nov 11, 2004
36,041
472
126
So I'm guessing you really made this thread so people could help you out with your homework.
 
M

Molondo

Platinum Member
Sep 6, 2005
2,529
1
0
Are you allowed to use TIs in your program? It was hard to start using some crappy eng calc, but i was glad it happened. I feel better as a student without it.
 
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