Moment of Inertia of an Ellipse Formulas, Solid Plane |
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\( I_x \;=\; \dfrac{ \pi }{ 4 } \cdot l \cdot w^3 \) \( I_y \;=\; \dfrac{ \pi }{ 4 } \cdot l^3 \cdot w \) |
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| Symbol | English | Metric |
| \( I \) = Moment of Inertia | \(lbm\;/\;ft^2-sec\) | \(kg\;/\;m^2\) |
| \( l \) = Length | \( in \) | \( mm \) |
| \( \pi \) = Pi | \(dimensionless\) | \(dimensionless\) |
| \( w \) = Width | \( in \) | \( mm \) |
