AP Physics C Mechanics Practice
AP Physics C — Mechanics Practice
16 MCQ practice problems. Select an answer, submit, and review the explanation.
Kinematics
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A solid cylinder of mass 4 kg and radius 0.2 m rolls without slipping down an incline. What is its moment of inertia about its central axis?
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A torque of 10 N·m is applied to a wheel with moment of inertia 2 kg·m², initially at rest. What is its angular velocity after 3 seconds?
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A disc of mass M and radius R spins at angular velocity ω. A small mass m is dropped onto the disc at radius R and sticks. What is the new angular velocity?
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A hoop and a solid sphere, both of mass M and radius R, are released from rest at the top of an incline and roll without slipping. Which reaches the bottom first?