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## Homework Statement

Given F, b, and h, determine the angle θ which will cause the greatest strain.

http://img844.imageshack.us/img844/5595/cusersjoshappdatalocalt.th.png [Broken]

## The Attempt at a Solution

I know to break it up into components so that I get M

_{a}= F(bcosθ+hsinθ). But after that I'm at a loss for what to do.

Intuitively I think the answer is 45, but I'm at a loss for how to prove that mathematically.

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