Second Moment of Area of a Circle
Second Moment of Area of a Circle formulas |
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\( I_{x} \;=\; \pi \; r^4\;/\; 4 \) \( I_{y} \;=\; \pi \; r^4\;/\; 4 \) \( I_{x1} \;=\; 5 \; \pi \; r^4\;/\; 4 \) \( I_{y1} \;=\; 5 \; \pi \; r^4\;/\; 4 \) |
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| Symbol | English | Metric |
| \( I \) = moment of inertia | \( in^4 \) | \( mm^4 \) |
| \( \pi \) = Pi | \(3.141 592 653 ...\) | |
| \( r \) = radius | \( in \) | \(mm \) |
