Figure — physics free-body diagram

// Free-body diagram of a block on an inclined plane — pure 2D
// schematic. No typed data, just shapes / labels / arrows.

figure free_body {
  title: "Block on an incline — free-body diagram"
  width: 800
  height: 500
  background: "transparent"
}

// Incline as a right triangle.
shape {
  kind: triangle
  x: 120
  y: 220
  w: 480
  h: 220
  fill: "#e2e8f0"
  stroke: "#475569"
  strokeWidth: 1.4
}

// The block, sitting on the incline (rotated to match the slope).
group_2d block {
  x: 360
  y: 285
  rotate: -25
}
shape block_body {
  kind: rect
  x: 360
  y: 285
  w: 80
  h: 56
  r: 4
  fill: "#a78bfa"
  stroke: "#4c1d95"
  strokeWidth: 1.6
  label: "m"
  rotate: -25
}

// Weight (mg) — straight down from the block.
arrow_2d {
  x1: 400
  y1: 313
  x2: 400
  y2: 460
  color: "#dc2626"
  label: "mg"
}

// Normal force — perpendicular to the incline.
arrow_2d {
  x1: 400
  y1: 313
  x2: 470
  y2: 200
  color: "#2563eb"
  label: "N"
}

// Friction — along the incline, opposing motion.
arrow_2d {
  x1: 400
  y1: 313
  x2: 290
  y2: 363
  color: "#16a34a"
  label: "f"
}

// Angle theta annotation at the base of the incline.
label_2d {
  text: "θ"
  x: 175
  y: 425
  size: 18
  weight: bold
  color: "#475569"
}

annotation {
  target: block_body
  text: "ΣF = ma"
  offsetX: 180
  offsetY: -120
  style: footnote
}

view diagram: figure(free_body)