I'm in a Strength of Materials course and I'm confused about when to use Mc/I and when to leave off the t, and what exactly the t and the c are. I thought that t was the distance to the centroid and that c was the distance to the line of action, but I'm running through practice problems and I think it's wrong.(adsbygoogle = window.adsbygoogle || []).push({});

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# When to use MC/I and when to use MC/It?

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