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aalali1-Visitor
1-Visitor
November 7, 2016
Solved

Units problems

Hey guys. I have units problems when i use protencies and square roots. Can someone explain how i can solve this problem? for instance in the attached file i should have kN instead i get no units.

MJGAnswer
1-Visitor
November 9, 2016

If you provide additional information about the equation you're using, you might get better responses.

Here's an attempt:

and another:

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6 replies

Fred_Kohlhepp23-Emerald I
23-Emerald I
November 8, 2016

What are the units of the cube root of pressure?

Mathcad is also complaining because your units aren't consistent, pressure and the cube root of pressure.

If you delete the first term in the parenthesis (get rid of the cube root,) then pressure times area will give you force

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    aalali1-VisitorAuthor
    1-Visitor
    November 9, 2016

    Cant i somehow manipulate with it so it gives me the right unit`?

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    Werner_E
    Werner_E25-Diamond I
    25-Diamond I
    November 9, 2016

    Ali Al Ali wrote:

    Cant i somehow manipulate with it so it gives me the right unit`?

    Yes, assign correct units to your constants.

    Admittedly this could be sometimes difficult, especially with empiric formulas.

    Don't know if this would make any sense but in your case You could write 100 MPa and 0.002 MPa to get the result you expect.

    Or you could simply type 35 MPa^3 .

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