A side-view lever-balance sandbox: a rigid plank pivots on a fixed fulcrum. Drop weighted riders on either seat and watch it tip passively under gravity — real torque and moment-of-inertia rotational dynamics, no scripted motion.
Left Weight0.0
Right Weight0.0
Tilt Angle0.0°
Riders0
Ang. Vel.0.0°/s
3.0
Add riders to either seat and watch the plank tip under real torque balance