# Integral Formulas for Center of Mass of Uniform Density

1. Oct 3, 2011

### 1MileCrash

1. The problem statement, all variables and given/known data

I'm being given problems regarding the center of mass of a uniformly dense object, and I am told by the textbook to use:

$\frac{1}{V}\int x dV$

I have no idea what to do with that. I'm pretty sure I won't be learning anything about multiple variable integrals for two years. There must be some other way?

2. Relevant equations

3. The attempt at a solution

2. Oct 4, 2011

### ehild

In case of a "flat" object of uniform thickness H, dV=y(x) H dx. So you need single-variable integrals.

ehild

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