1. The problem statement, all variables and given/known data problem 2.12-5 http://www.geocities.com/greenlran/mechmat.jpg 2. Relevant 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.