+0  
 
0
670
7
avatar+1832 

In this question, 

 

how did he know that the stress at y = 0 ? 

 

 

physics
 Jan 8, 2016

Best Answer 

 #2
avatar+1832 
+5

No, I ask about the normal stress in Y , why its 0 

 Jan 8, 2016
 #1
avatar
+5

90 comes from T which was calculated earlier in the solution   The shaft (solid)diameter was stated to be 25mm ....or a RADIUS of 0.0125 m    which would be the 'arm' the torque operates through....      J he calculated in the previous step.

 

I am not sure,   does this answer your question?

 

 

~jc 

 Jan 8, 2016
 #2
avatar+1832 
+5
Best Answer

No, I ask about the normal stress in Y , why its 0 

xvxvxv Jan 8, 2016
 #3
avatar+115747 
+5

Hi 315, 

I have reasked your question here 

 

http://web2.0calc.com/questions/but-why-is-it-0-re-asked-question

 Jan 8, 2016
 #4
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0

Are you talking about the last line displayed in your question, where he says Stress at point H is zero then the component  oy = 0   ?        Can you scan in the rest of the solution below that point?   For those of us a little rusty on physics it may help us answer ....right now all I can see is that the y components are cancelling, but it might help me to figure this out if I could see the rest of the solution...... sorry ...for now   ~jc     Didn't we see this problem before????

 Jan 8, 2016
 #5
avatar+1832 
0

Thank you melody :) 

 Jan 9, 2016
 #6
avatar+1832 
0

This is the rest of the solution 

 

 Jan 9, 2016
 #7
avatar+4079 
0

JC! You are like an eel! Why can't u stay on long enough for me to find u? Make an account plz!

 Jan 9, 2016

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