AP Physics C: Mechanics

Unit 5 Torque and Rotational Dynamics

6 topics · 72 questions, each explained

1. 5.1 Rotational Kinematics 4 ideas · 17 questions

   Angular position, θ · Angular velocity, ω = dθ/dt · Angular acceleration, α = dω/dt · Rotational–linear analogy

2. 5.2 Connecting Linear and Rotational Motion 3 ideas · 8 questions

   Arc length, Δs = rΔθ · Linear speed of a point, v = rω · Shared angular velocity and angular acceleration

3. 5.3 Torque 4 ideas · 15 questions

   Perpendicular component of a force · Line of action · Force diagram · Torque, τ

4. 5.4 Rotational Inertia 6 ideas · 16 questions

   Rotational inertia (I) · Rotational inertia of a small object · Total rotational inertia of a collection of objects · Rotational inertia as an integral · Axis through the center of mass · Parallel axis theorem

5. 5.5 Rotational Equilibrium and Newton’s First Law in Rotational Form 2 ideas · 8 questions

   Rotational equilibrium · Unbalanced torques

6. 5.6 Newton’s Second Law in Rotational Form 3 ideas · 8 questions

   Changing angular velocity · Newton's second law in rotational form · Independent linear and rotational analyses

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