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pzimpelman1-Visitor
1-Visitor
January 19, 2016
Question

Help with solve block - errors

I already defined the solve block variables but mathcad is still giving me an error that shows that the variable/equations are undefined. 

Can anyone help me find the error here so I can find variable P?

Thanks!

2 replies

RichardJ19-Tanzanite
19-Tanzanite
January 19, 2016

You first need to fix a units problem. Mathcad insists P has units of force, in which case sigma(P) has units of pressure. It therefore cannot be equated to sigma[n, which has units of force.

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LucMeekes23-Emerald V
23-Emerald V
January 20, 2016

As Richard said, it's a units problem.

Your solution would be:

But when evaluated:

Success!
Luc

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