10–15% of the AP exam. Key topics: Rotational kinematics: angular position, velocity, and acceleration, Connecting linear and rotational quantities (v = rω, a = rα), Torque and the lever-arm concept, Rotational inertia and its dependence on mass distribution, Rotational equilibrium: net torque equals zero, Newton's Second Law in rotational form: τ_net = Iα.
Study guide content for this unit is being prepared. Check back soon for complete lesson notes, formula sheets, and worked examples.