Polar Moment of Inertia of a Square Angle formulas |
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\( J_{z} \;=\; I_{x} + I_{y} \) \( J_{z1} \;=\; I_{x1} + I_{y1} \) |
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| Symbol | English | Metric |
| \( J \) = polar moment of inertia | \( in^4 \) | \( mm^4 \) |
| \( I \) = moment of inertia | \( in^4 \) | \( mm^4 \) |
