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I am confused with center of mass for wire right triangle. Help!
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Oct 13th 2017, 05:23 PM
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noman
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, 07:38 PM
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2
skeeter
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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