AP Physics 1 MCQ Practice by Topic 2027
Choose a topic to open its full 42-question bank. The topic links from lesson pages land directly on the matching bank, so a student reviewing Topic 1.3 is not sent to a short generic diagnostic.
How much AP Physics 1 MCQ practice is available?
There are 42 original multiple-choice questions for each of the 43 official AP Physics 1 topics, giving 1,806 topic MCQs with answers, explanations and lesson routing.
- 43 topic banks.
- 42 MCQs per topic.
- 1,806 topic MCQs total.
Choose the exact AP Physics 1 topic
All 43 official topics are available. Each MCQ bank contains 42 original questions and each FRQ bank contains four prompts aligned to the four current free-response task types.
Newton’s Second Law in Rotational Form Practice
All questions are original. Check each answer for immediate feedback and explanation, then use the lesson link inside the explanation when a concept needs repair.
A net torque of 12 N·m acts on a wheel with rotational inertia 3 kg·m². What angular acceleration results?
Correct answer: B. α=τ_net/I=12/3=4 rad/s².
The net torque on a rigid body doubles while its rotational inertia stays constant. What happens to angular acceleration?
Correct answer: C. From τ_net=Iα, α is directly proportional to net torque for fixed I.
Two disks experience the same net torque. Disk A has I=2I_B. Which statement is correct?
Correct answer: B. The larger rotational inertia gives the smaller angular acceleration for the same torque.
A loaded flywheel spins up more slowly than a light disk under the same torque. Which Topic 5.6 concept most directly explains this physical situation?
Correct answer: C. Rotational inertia resists angular acceleration: For the same net torque, larger I means smaller α.
Which statement best defines Rotational inertia resists angular acceleration in Topic 5.6?
Correct answer: A. Correct definition: For the same net torque, larger I means smaller α.
A second situation is observed: Extending masses outward reduces angular acceleration for fixed torque. Which concept is being applied?
Correct answer: B. Rotational inertia resists angular acceleration is the matching concept because For the same net torque, larger I means smaller α.
Motor torque and friction torque oppose each other. Which Topic 5.6 concept most directly explains this physical situation?
Correct answer: C. Multiple torques: Use signed sum of all external torques.
Which statement best defines Multiple torques in Topic 5.6?
Correct answer: A. Correct definition: Use signed sum of all external torques.
A second situation is observed: Two applied forces can create competing clockwise/counterclockwise effects. Which concept is being applied?
Correct answer: B. Multiple torques is the matching concept because Use signed sum of all external torques.
A rolling wheel accelerates forward while speeding up its rotation. Which Topic 5.6 concept most directly explains this physical situation?
Correct answer: C. Translation plus rotation: A rigid body can have center-of-mass acceleration and angular acceleration simultaneously.
Which statement best defines Translation plus rotation in Topic 5.6?
Correct answer: A. Correct definition: A rigid body can have center-of-mass acceleration and angular acceleration simultaneously.
A second situation is observed: A falling spool can translate and rotate due to tension/gravity. Which concept is being applied?
Correct answer: B. Translation plus rotation is the matching concept because A rigid body can have center-of-mass acceleration and angular acceleration simultaneously.
For a wheel+axle system, bearing friction is external if the support is outside. Which Topic 5.6 concept most directly explains this physical situation?
Correct answer: C. External torque on system: Internal torque pairs do not change total angular momentum of a suitably chosen system; rotational dynamics use net external torque.
Which statement best defines External torque on system in Topic 5.6?
Correct answer: A. Correct definition: Internal torque pairs do not change total angular momentum of a suitably chosen system; rotational dynamics use net external torque.
A second situation is observed: For a two-body system, mutual forces can be internal. Which concept is being applied?
Correct answer: B. External torque on system is the matching concept because Internal torque pairs do not change total angular momentum of a suitably chosen system; rotational dynamics use net external torque.
Which relationship best represents this Topic 5.6 idea: Rigid-body rotational dynamics about a fixed axis?
Correct answer: B. Use Στ_ext = Iα. Rigid-body rotational dynamics about a fixed axis.
In Topic 5.6, which variable-and-unit description belongs with Στ_ext = Iα?
Correct answer: C. For Στ_ext = Iα: τ: N·m; I: kg·m²; α: rad/s²
For Topic 5.6, consider this real application: 12 N·m on I=3 gives α=4 rad/s². Which relationship supports that result?
Correct answer: A. The relevant relationship is Στ_ext = Iα.
Which relationship best represents this Topic 5.6 idea: Use alongside rotation when center of mass translates?
Correct answer: B. Use ΣF_ext = Ma_cm. Use alongside rotation when center of mass translates.
In Topic 5.6, which variable-and-unit description belongs with ΣF_ext = Ma_cm?
Correct answer: C. For ΣF_ext = Ma_cm: F: N; M: kg; a: m/s²
For Topic 5.6, consider this real application: Rolling object down ramp needs both translation and rotation equations. Which relationship supports that result?
Correct answer: A. The relevant relationship is ΣF_ext = Ma_cm.
Which relationship best represents this Topic 5.6 idea: Convert applied forces to torque?
Correct answer: B. Use τ = rF sinθ. Convert applied forces to torque.
In Topic 5.6, which variable-and-unit description belongs with τ = rF sinθ?
Correct answer: C. For τ = rF sinθ: N·m
For Topic 5.6, consider this real application: A perpendicular force at larger r gives greater τ. Which relationship supports that result?
Correct answer: A. The relevant relationship is τ = rF sinθ.
In Topic 5.6, analyze this situation: A constant motor torque acts on a flywheel. Which conclusion is most consistent with the physics?
Correct answer: C. α=τ/I; adding rim mass increases I and reduces α.
Which Topic 5.6 worked example best illustrates this reasoning: “α=τ/I; adding rim mass increases I and reduces α”?
Correct answer: B. Flywheel: A constant motor torque acts on a flywheel.
A student is deciding how to begin the “Flywheel” situation. What is the best first move?
Correct answer: B. Start with the physical model. α=τ/I; adding rim mass increases I and reduces α.
In Topic 5.6, analyze this situation: Same push force applied near hinge vs handle. Which conclusion is most consistent with the physics?
Correct answer: C. Handle gives larger torque and therefore larger angular acceleration.
Which Topic 5.6 worked example best illustrates this reasoning: “Handle gives larger torque and therefore larger angular acceleration”?
Correct answer: B. Door: Same push force applied near hinge vs handle.
A student is deciding how to begin the “Door” situation. What is the best first move?
Correct answer: B. Start with the physical model. Handle gives larger torque and therefore larger angular acceleration.
In Topic 5.6, analyze this situation: A cylinder rolls down an incline without slipping. Which conclusion is most consistent with the physics?
Correct answer: C. Gravity drives translation; static friction provides torque needed for rotation depending on chosen model.
Which Topic 5.6 worked example best illustrates this reasoning: “Gravity drives translation; static friction provides torque needed for rotation depending on chosen model”?
Correct answer: B. Rolling cylinder: A cylinder rolls down an incline without slipping.
A student is deciding how to begin the “Rolling cylinder” situation. What is the best first move?
Correct answer: B. Start with the physical model. Gravity drives translation; static friction provides torque needed for rotation depending on chosen model.
In Topic 5.6, a student claims: “Net torque determines angular velocity directly.” Which correction is best?
Correct answer: B. It determines angular acceleration.
Which statement should replace this misconception in a Topic 5.6 solution: “Net torque determines angular velocity directly.”?
Correct answer: A. It determines angular acceleration.
In Topic 5.6, a student claims: “Same torque gives same α for all objects.” Which correction is best?
Correct answer: B. α depends inversely on I.
Which statement should replace this misconception in a Topic 5.6 solution: “Same torque gives same α for all objects.”?
Correct answer: A. α depends inversely on I.
In Topic 5.6, a student claims: “Use Στ=Iα without specifying an axis.” Which correction is best?
Correct answer: B. Torque and rotational inertia are axis-dependent; specify the axis/model.
Which statement should replace this misconception in a Topic 5.6 solution: “Use Στ=Iα without specifying an axis.”?
Correct answer: A. Torque and rotational inertia are axis-dependent; specify the axis/model.
What should a student identify before calculating in Topic 5.6?
Correct answer: B. Relate torque, rotational inertia, and angular acceleration; connect force diagrams to torque equations; and analyze systems with both translation and rotation.
Which statement best describes the AP Physics 1 scope for Topic 5.6?
Correct answer: B. Topic 5.6 completes rotational dynamics; rotational energy and angular momentum are Unit 6.
Which study sequence best matches this Topic 5.6 lesson?
Correct answer: B. The lesson is intentionally definition-first and explains terminology on the same page before equations and practice.