S5CentroidsandCentersofGravity-MoreDetailed 系统标签: centroidsgravitycentroidguldinuscentersdetailed DistributedForces:CentroidsandCentersofGravity1Contents•Introduction•CenterofGravityofa2DBody•CentroidsandFirstMomentsofAreasandLines•CentroidsofCommonShapesofAreas•CentroidsofCommonShapesofLines•CompositePla...