[
  // Hooke's Law
  {
    "name": "Hooke's Law",
    "description": r"""
Force exerted by a spring is proportional to its displacement.

$$F = -kx$$

Where:
- $F$: Restoring force (Newtons)
- $k$: Spring constant (N/m)
- $x$: Displacement from equilibrium (meters)

The negative sign indicates the force opposes the displacement.""",
    "input": [
      {"name": "k", "unit": "newton per meter"},
      {"name": "x", "unit": "meter"}
    ],
    "output": {"name": "F", "unit": "newton"},
    "d4rtCode": "F = -k * x;",
    "tags": ["physics", "elasticity", "oscillations"]
  }
]