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Strain calculations

 
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Sep7-09, 04:14 PM   #1
 

Strain calculations

Ok, an easy one I think? I am given an equation to work out the strain on a beam, the dimensions of the beam are in the equation (obviously) and in the question these are given in mm and cm, am I right in thinking all the measurements in the equation need to be in m and the question is trying to catch me out?

Thanks
Alfie
 
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Sep7-09, 05:39 PM   #2
 
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Hi Alfie! Welcome to PF!
Quote by alfie254 View Post
Ok, an easy one I think? I am given an equation to work out the strain on a beam, the dimensions of the beam are in the equation (obviously) and in the question these are given in mm and cm, am I right in thinking all the measurements in the equation need to be in m and the question is trying to catch me out?
Yes!

(you must get all your measurements into the same system … I assume you're using SI … before you start combining them, or things will go horribly wrong )
 
Sep7-09, 06:47 PM   #3
 
Thanks!

Alfie
 
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