{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.calculatorx.com/schemas/mechanical.statics.incline_friction/1.0.0/input.json",
  "title": "Incline friction — input",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "W": {
      "type": "number",
      "description": "Weight, in newtons."
    },
    "theta_deg": {
      "type": "number",
      "description": "Incline angle from the horizontal, degrees, in [0, 90)."
    },
    "mu": {
      "type": "number",
      "description": "Friction coefficient at impending slip."
    },
    "direction": {
      "type": "string",
      "description": "up or down: the sense of impending motion along the plane."
    }
  },
  "required": [
    "W",
    "theta_deg",
    "mu",
    "direction"
  ],
  "description": "Force parallel to a rough incline at impending slip. Normal and friction come from the friction engine. Equilibrium is a 2-by-2 linear solve. Not F = μN by itself, and not wedges or belts. (calculation_version 1.0.0)"
}