Physics Help Forum I am confused with center of mass for wire right triangle. Help!

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 Oct 13th 2017, 04:23 PM #1 Junior Member   Join Date: Oct 2017 Posts: 1 I am confused with center of mass for wire right triangle. Help! Hey guys, So far, I finished 1, 2, and 4. However, I am stuck with Q3. How do I solve it? I really have no idea where to start. It's just a wire bend to form a right triangle. Any help would be appreciated!
 Oct 13th 2017, 06:38 PM #2 Senior Member     Join Date: Aug 2008 Posts: 113 $M = \lambda(h + w + \sqrt{h^2+w^2})$ $x_c = \dfrac{\sum m_i x_i}{M} = \dfrac{\lambda\left[h\left(0\right) + w\left(\frac{w}{2}\right)+\sqrt{h^2+w^2} \left(\frac{w}{2}\right) \right]}{M}$ think you can figure out $y_c$ yourself? $z_c = 0$

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