Quote:
Originally Posted by Jengles
What is M?
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M is the aforementioned "bending moment"
The formula for calculating it will depend on your endpoint support configuration, e.g. fixed-fixed, fixed-free, fixed-pinned, pinned-pinned (pinned-free and free-free are dynamic cases, and the math becomes a whole lot more fun) Try
here for a tutorial in calculating bending moment.