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Area moment of intertia of a t-bar

Thread starter NoobeAtPhysics
Start date Nov 22, 2013
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Area Intertia Moment

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NoobeAtPhysics

Thread starter
Nov 22, 2013

#1

Homework Statement

The area moment of inertia about the dashed axis is what?

momin1.5.gif

Homework Equations

Paralell Axis theorem

The Attempt at a Solution

(1/12)bh³ + (1/12)hb³ + bh(h/2 + b/2)²

I don't understand how I am wrong

Last edited: Nov 22, 2013

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haruspex

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Nov 22, 2013

#2

NoobeAtPhysics said:

(1/12)bh³ + (1/12)hb³ + bh(h/2 + b/2)²

Looks right to me, though you could collect up some similar terms. What is the official answer?

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