# Materials - Vy(max)=integral Tau(xy) da

1. Homework Statement
problem 2.12-5
http://www.geocities.com/greenlran/mechmat.jpg

2. Homework Equations

Vy(max)=integral Tau(xy) da

3. The Attempt at a Solution

I'm having trouble setting up the integral (determining what to use for da).
I tried integrating with 32in^2 as da giving me 320 kips... the actual answer is 213 kips.