Description: 50 multiple-choice practice questions covering all of Unit 5: Torque and Rotational Dynamics - the most challenging unit on the AP Physics 1 exam. Includes full answer key and detailed explanations for every question. Topics Covered: 🔄 Torque – τ = rF sin(θ), lever arm, perpendicular force component, net torque ⚙️ Rotational Inertia – I = mr², moment of inertia for disks, hoops, rods, spheres, point masses 🎯 Newton's Second Law for Rotation – τ = Iα, angular acceleration