Home▸Physics & Mechanics▸Cavendish Torsion Balance: Measuring G with Lead Spheres, a Fibre and a Laser Lever

⚖️ Cavendish Torsion Balance: Measuring G with Lead Spheres, a Fibre and a Laser Lever

2D Canvas Cavendish torsion balance: exact four-sphere torque geometry, fibre stiffness from its diameter, damped swing, optical lever and an in-page measurement of G with three numerical checks.

Physics & Mechanics2DAdvanced60 FPS📱 Mobile-adapted⇄ 3D version

⚙ Under the hood

Interactive 2D Cavendish torsion balance: four-sphere torque summed exactly, fibre stiffness from its diameter, damped swing, an optical lever and an in-page measurement of the gravitational constant G with three numerical checks.

Cavendish ExperimentGravitational ConstantTorsion BalanceNewton's GravitationLaser Lever

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install