anonymous
  • anonymous
A 135-N force is applied at a 50-degree angle to the surface of the end of a square bar. The surface is 2.50 cm on a side. What is the compressional stress?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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retirEEd
  • retirEEd
The force in my drawing is wrong. It should be 135 N. |dw:1449635802610:dw|
anonymous
  • anonymous
I don't really know where to go from there
retirEEd
  • retirEEd
Better drawing. |dw:1449636318086:dw|

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retirEEd
  • retirEEd
|dw:1449636612604:dw|
retirEEd
  • retirEEd
|dw:1449637340686:dw|
anonymous
  • anonymous
i am so lost...
retirEEd
  • retirEEd
Just look at the diagram and see what you can come up with.
retirEEd
  • retirEEd
I need to look up compression stress. Does the block stay stationary? Does the area of the side have anything to do with compression stress ? I don't think so but .....
anonymous
  • anonymous
i can make the diagram, thats not the problem. i have no idea how to find the compressional stress
anonymous
  • anonymous
I literally copy and pasted my question. what you read is what i'm given. and the area is probably important. Either the area or the volume is needed. i just don't know how
retirEEd
  • retirEEd
I found this and area is important ... I'm aware of the formula "compressive stress=force/area" so just divide F x-direction by the area
retirEEd
  • retirEEd
I got my answer what did you get? ___________ N/cm^2
anonymous
  • anonymous
is it the area of the cube or the area of the face of the block being compressed?
retirEEd
  • retirEEd
That is a good question. What do you think? I think you can figure it out.
anonymous
  • anonymous
Not really, these are the questions i came here to find the answer to because i don't know. I'm not looking for someone to hand me the answer to the problem I need to know how to get there. and i have tried both the area of the surface and the area of the cube and neither give me the correct answer.
retirEEd
  • retirEEd
Can you tell me the correct answer, maybe I am doing it wrong too?
anonymous
  • anonymous
I don't have the correct answer but its multiple choice and your equation yields none of the given options.
retirEEd
  • retirEEd
What was my equation? you might be able to list all of the answers unless there is like a hundred or so choices.
anonymous
  • anonymous
the \[(\frac{ F*\cos \Theta) }{ A } \] equation
retirEEd
  • retirEEd
And for the last time, What were the multi choice answers? Now write the equation with numbers you got and then list values you calculated for F x-dir.
retirEEd
  • retirEEd
tut

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