Rotational Kinematics & Angular Momentum
Interactive 3D rotational mechanics simulator. Drop point masses onto a spinning disk to observe angular momentum conservation and kinetic energy dissipation.
Torque & Rotational Equilibrium
Interactively balance forces on a rigid lever by placing masses at different distances from the pivot. Observe torque magnitudes and directions, and understand the condition for rotational equilibrium.
Torque & Rotational Equilibrium
Balance a beam by adjusting masses, distances, and pivot point. Visualize clockwise and counterclockwise torques and observe rotational equilibrium conditions in real time.
Rotational Inertia Comparator
Race shapes down a ramp to see which arrives first. Compare rotational inertia of solid/hollow spheres, cylinders, and rods. Understand how I/(mR²) determines rolling acceleration.
Static Equilibrium Bridge Builder
Analyze a simply supported beam with movable load. Calculate support reactions NA and NB using ΣF=0 and Στ=0 equilibrium conditions.