Discussion on: Solution to Problem 115 Shear Stress

Submitted by VG Icalina on December 13, 2015 - 8:30pm
Following is a discussion on the Reviewer item titled: Solution to Problem 115 Shear Stress. Feel free to add your own comments!
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the area?
why is that the area of pi(r)squared all over 4 are not use in this problem?thanks
Re: the area?
cause, only the out surface of the punch have shear stress. I think so LOL
Re: the area?
thanks. it make sense..:-)
How did thry use thr height ,
How did thry use thr height , I mean why pie inti 20 into 25, is it r e rectangle formula
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