Second Moment of Area of a Circle

on . Posted in Plane Geometry

circle arc 4circle xy 1

 

 

 

 

 

 

 

 

 

 

Second Moment of Area of a Circle formulas

\( I_{x} \;=\;   \pi \; r^4\;/\; 4 \) 

\( I_{y} \;=\; \pi \; r^4\;/\; 4 \) 

\( I_{x1} \;=\;   5 \; \pi \; r^4\;/\; 4 \) 

\( I_{y1} \;=\; 5 \; \pi \; r^4\;/\; 4 \)

Symbol English Metric
\( I \) = moment of inertia \( in^4 \) \( mm^4 \)
\( \pi \) = Pi \(3.141 592 653 ...\)
\( r \) = radius \( in \) \(mm \)

 

Piping Designer Logo 1

Tags: Inertia Circle