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.
Angular Momentum and Angular Impulse 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 rigid body has I=4 kg·m² and angular velocity 3 rad/s. What is its angular momentum about the axis?
Correct answer: C. L=Iω=(4)(3)=12 kg·m²/s.
A constant external torque of 6 N·m acts for 2 s. What angular impulse is delivered?
Correct answer: C. Angular impulse τΔt=(6)(2)=12 N·m·s, equal to ΔL.
A torque–time graph has constant +4 N·m from 0 to 3 s. What is the change in angular momentum?
Correct answer: C. Area under τ versus t is angular impulse: (4)(3)=12 N·m·s=12 kg·m²/s.
A ball moving past a point has angular momentum about that point. Which Topic 6.3 concept most directly explains this physical situation?
Correct answer: C. Particle angular momentum: A moving particle can have angular momentum about an origin depending on r and perpendicular momentum.
Which statement best defines Particle angular momentum in Topic 6.3?
Correct answer: A. Correct definition: A moving particle can have angular momentum about an origin depending on r and perpendicular momentum.
A second situation is observed: If momentum points directly through the origin, angular momentum about it is zero. Which concept is being applied?
Correct answer: B. Particle angular momentum is the matching concept because A moving particle can have angular momentum about an origin depending on r and perpendicular momentum.
A motor torque applied for 2 s increases a wheel’s L. Which Topic 6.3 concept most directly explains this physical situation?
Correct answer: C. Angular impulse: Torque acting over time changes angular momentum.
Which statement best defines Angular impulse in Topic 6.3?
Correct answer: A. Correct definition: Torque acting over time changes angular momentum.
A second situation is observed: A brake torque gives angular impulse opposite the wheel’s L. Which concept is being applied?
Correct answer: B. Angular impulse is the matching concept because Torque acting over time changes angular momentum.
Constant 5 N·m for 3 s gives 15 N·m·s. Which Topic 6.3 concept most directly explains this physical situation?
Correct answer: C. Torque–time graph: Signed area under τ versus time equals angular impulse.
Which statement best defines Torque–time graph in Topic 6.3?
Correct answer: A. Correct definition: Signed area under τ versus time equals angular impulse.
A second situation is observed: A triangular torque pulse gives area ½base×height. Which concept is being applied?
Correct answer: B. Torque–time graph is the matching concept because Signed area under τ versus time equals angular impulse.
A particle’s angular momentum can differ about two origins. Which Topic 6.3 concept most directly explains this physical situation?
Correct answer: C. Axis dependence: Angular momentum and torque must be evaluated about a chosen axis/origin.
Which statement best defines Axis dependence in Topic 6.3?
Correct answer: A. Correct definition: Angular momentum and torque must be evaluated about a chosen axis/origin.
A second situation is observed: Choosing the rotation axis of a disk makes L=Iω straightforward. Which concept is being applied?
Correct answer: B. Axis dependence is the matching concept because Angular momentum and torque must be evaluated about a chosen axis/origin.
Which relationship best represents this Topic 6.3 idea: Rigid-body fixed-axis angular momentum?
Correct answer: B. Use L = Iω. Rigid-body fixed-axis angular momentum.
In Topic 6.3, which variable-and-unit description belongs with L = Iω?
Correct answer: C. For L = Iω: L: kg·m²/s; I: kg·m²; ω: rad/s
For Topic 6.3, consider this real application: I=2, ω=4 gives 8 kg·m²/s. Which relationship supports that result?
Correct answer: A. The relevant relationship is L = Iω.
Which relationship best represents this Topic 6.3 idea: Constant/average external torque?
Correct answer: B. Use ΔL = τ_avg Δt. Constant/average external torque.
In Topic 6.3, which variable-and-unit description belongs with ΔL = τ_avg Δt?
Correct answer: C. For ΔL = τ_avg Δt: angular impulse: N·m·s
For Topic 6.3, consider this real application: 6 N·m for 0.5 s changes L by 3 kg·m²/s. Which relationship supports that result?
Correct answer: A. The relevant relationship is ΔL = τ_avg Δt.
Which relationship best represents this Topic 6.3 idea: Particle angular momentum about an origin?
Correct answer: B. Use L_particle = r⊥p. Particle angular momentum about an origin.
In Topic 6.3, which variable-and-unit description belongs with L_particle = r⊥p?
Correct answer: C. For L_particle = r⊥p: L: kg·m²/s; r⊥: m; p: kg·m/s
For Topic 6.3, consider this real application: A 2 N·s momentum passing 3 m from origin gives L=6 units. Which relationship supports that result?
Correct answer: A. The relevant relationship is L_particle = r⊥p.
In Topic 6.3, analyze this situation: A motor torque acts for a measured time. Which conclusion is most consistent with the physics?
Correct answer: C. Angular impulse equals the flywheel’s ΔL.
Which Topic 6.3 worked example best illustrates this reasoning: “Angular impulse equals the flywheel’s ΔL”?
Correct answer: B. Flywheel motor: A motor torque acts for a measured time.
A student is deciding how to begin the “Flywheel motor” situation. What is the best first move?
Correct answer: B. Start with the physical model. Angular impulse equals the flywheel’s ΔL.
In Topic 6.3, analyze this situation: A brief push on a door gives torque for a time. Which conclusion is most consistent with the physics?
Correct answer: C. It changes the door’s angular momentum about the hinge.
Which Topic 6.3 worked example best illustrates this reasoning: “It changes the door’s angular momentum about the hinge”?
Correct answer: B. Door push: A brief push on a door gives torque for a time.
A student is deciding how to begin the “Door push” situation. What is the best first move?
Correct answer: B. Start with the physical model. It changes the door’s angular momentum about the hinge.
In Topic 6.3, analyze this situation: A puck moves in a straight line past an origin. Which conclusion is most consistent with the physics?
Correct answer: C. Its angular momentum about the origin depends on perpendicular distance to its line of motion.
Which Topic 6.3 worked example best illustrates this reasoning: “Its angular momentum about the origin depends on perpendicular distance to its line of motion”?
Correct answer: B. Passing puck: A puck moves in a straight line past an origin.
A student is deciding how to begin the “Passing puck” situation. What is the best first move?
Correct answer: B. Start with the physical model. Its angular momentum about the origin depends on perpendicular distance to its line of motion.
In Topic 6.3, a student claims: “Angular momentum is the same as linear momentum.” Which correction is best?
Correct answer: B. It depends on rotational geometry/axis and has different units.
Which statement should replace this misconception in a Topic 6.3 solution: “Angular momentum is the same as linear momentum.”?
Correct answer: A. It depends on rotational geometry/axis and has different units.
In Topic 6.3, a student claims: “Only rotating rigid bodies have angular momentum.” Which correction is best?
Correct answer: B. Particles in translational motion can have angular momentum about an origin.
Which statement should replace this misconception in a Topic 6.3 solution: “Only rotating rigid bodies have angular momentum.”?
Correct answer: A. Particles in translational motion can have angular momentum about an origin.
In Topic 6.3, a student claims: “Torque–angle area gives angular impulse.” Which correction is best?
Correct answer: B. Torque–time area gives angular impulse.
Which statement should replace this misconception in a Topic 6.3 solution: “Torque–angle area gives angular impulse.”?
Correct answer: A. Torque–time area gives angular impulse.
What should a student identify before calculating in Topic 6.3?
Correct answer: B. Calculate angular momentum for rigid rotation and particles, interpret torque–time graphs, and connect external torque to changes in rotational motion.
Which statement best describes the AP Physics 1 scope for Topic 6.3?
Correct answer: B. Current AP Physics 1 uses planar/axis-based angular momentum reasoning appropriate to algebra-based mechanics.
Which study sequence best matches this Topic 6.3 lesson?
Correct answer: B. The lesson is intentionally definition-first and explains terminology on the same page before equations and practice.