{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.calculatorx.com/schemas/mechanical.statics.principal_moment/1.0.0/input.json",
  "title": "Principal moments — input",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "parts": {
      "type": "string",
      "description": "Rows Ix,Iy,Ixy,A,x,y separated by semicolons. Moments are about that part's centroid, axes parallel to x and y. Negative A is a hole."
    }
  },
  "required": [
    "parts"
  ],
  "description": "Product of inertia and principal moments of a composite plane area. Ix and Iy reuse area moment. The 2-D inertia tensor uses math.linear_algebra eigen. θ is the I1 axis. (calculation_version 1.0.0)"
}