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.
Rotational Equilibrium and Newton’s First 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 20 N downward force acts 0.30 m to the right of a pivot. What counterclockwise torque magnitude must other forces provide for rotational equilibrium?
Correct answer: B. The force produces 0.30×20=6 N·m clockwise, so equilibrium requires 6 N·m counterclockwise.
A rigid object is in static equilibrium. Which pair of conditions must hold?
Correct answer: D. Static equilibrium requires both zero net force and zero net torque.
Why is choosing a pivot at the point where an unknown support force acts often useful?
Correct answer: B. A force whose line of action passes through the chosen pivot has zero torque about that pivot, simplifying the torque equation.
A frictionless wheel already spinning can continue at constant ω. Which Topic 5.5 concept most directly explains this physical situation?
Correct answer: C. Constant angular velocity: Zero net torque means α=0, not necessarily ω=0.
Which statement best defines Constant angular velocity in Topic 5.5?
Correct answer: A. Correct definition: Zero net torque means α=0, not necessarily ω=0.
A second situation is observed: A stationary beam has ω=0 and α=0. Which concept is being applied?
Correct answer: B. Constant angular velocity is the matching concept because Zero net torque means α=0, not necessarily ω=0.
A ladder resting against supports can satisfy ΣF=0 and Στ=0. Which Topic 5.5 concept most directly explains this physical situation?
Correct answer: C. Static equilibrium: For an object completely at rest, both net force and net torque are zero.
Which statement best defines Static equilibrium in Topic 5.5?
Correct answer: A. Correct definition: For an object completely at rest, both net force and net torque are zero.
A second situation is observed: A hanging sign supported by cables can be in static equilibrium. Which concept is being applied?
Correct answer: B. Static equilibrium is the matching concept because For an object completely at rest, both net force and net torque are zero.
Choose a hinge to eliminate hinge-force torques in a beam problem. Which Topic 5.5 concept most directly explains this physical situation?
Correct answer: C. Axis choice: For equilibrium, torque sum is zero about any axis; choosing an axis through unknown forces can simplify equations.
Which statement best defines Axis choice in Topic 5.5?
Correct answer: A. Correct definition: For equilibrium, torque sum is zero about any axis; choosing an axis through unknown forces can simplify equations.
A second situation is observed: Choose one support point on a plank to solve another support force. Which concept is being applied?
Correct answer: B. Axis choice is the matching concept because For equilibrium, torque sum is zero about any axis; choosing an axis through unknown forces can simplify equations.
A uniform beam’s weight acts effectively at its midpoint. Which Topic 5.5 concept most directly explains this physical situation?
Correct answer: C. Center of gravity near Earth: Weight can be represented as acting at the center of mass for uniform g.
Which statement best defines Center of gravity near Earth in Topic 5.5?
Correct answer: A. Correct definition: Weight can be represented as acting at the center of mass for uniform g.
A second situation is observed: An irregular object’s balance point is its center of mass in uniform gravity. Which concept is being applied?
Correct answer: B. Center of gravity near Earth is the matching concept because Weight can be represented as acting at the center of mass for uniform g.
Which relationship best represents this Topic 5.5 idea: Rotational equilibrium?
Correct answer: B. Use Στ = 0. Rotational equilibrium.
In Topic 5.5, which variable-and-unit description belongs with Στ = 0?
Correct answer: C. For Στ = 0: torque in N·m
For Topic 5.5, consider this real application: +20−20=0 N·m. Which relationship supports that result?
Correct answer: A. The relevant relationship is Στ = 0.
Which relationship best represents this Topic 5.5 idea: Translational equilibrium for static equilibrium?
Correct answer: B. Use ΣF⃗ = 0. Translational equilibrium for static equilibrium.
In Topic 5.5, which variable-and-unit description belongs with ΣF⃗ = 0?
Correct answer: C. For ΣF⃗ = 0: force in N
For Topic 5.5, consider this real application: Support forces balance weight. Which relationship supports that result?
Correct answer: A. The relevant relationship is ΣF⃗ = 0.
Which relationship best represents this Topic 5.5 idea: Compute individual torque contributions?
Correct answer: B. Use τ = r⊥F. Compute individual torque contributions.
In Topic 5.5, which variable-and-unit description belongs with τ = r⊥F?
Correct answer: C. For τ = r⊥F: N·m
For Topic 5.5, consider this real application: Use lever arms to balance loads. Which relationship supports that result?
Correct answer: A. The relevant relationship is τ = r⊥F.
In Topic 5.5, analyze this situation: A light child sits farther from pivot than a heavier child. Which conclusion is most consistent with the physics?
Correct answer: C. Equal opposite torques can balance despite unequal forces.
Which Topic 5.5 worked example best illustrates this reasoning: “Equal opposite torques can balance despite unequal forces”?
Correct answer: B. Seesaw balance: A light child sits farther from pivot than a heavier child.
A student is deciding how to begin the “Seesaw balance” situation. What is the best first move?
Correct answer: B. Start with the physical model. Equal opposite torques can balance despite unequal forces.
In Topic 5.5, analyze this situation: Cables support a sign from a wall. Which conclusion is most consistent with the physics?
Correct answer: C. Use both force and torque equilibrium to determine tensions.
Which Topic 5.5 worked example best illustrates this reasoning: “Use both force and torque equilibrium to determine tensions”?
Correct answer: B. Hanging sign: Cables support a sign from a wall.
A student is deciding how to begin the “Hanging sign” situation. What is the best first move?
Correct answer: B. Start with the physical model. Use both force and torque equilibrium to determine tensions.
In Topic 5.5, analyze this situation: A beam rests on two supports. Which conclusion is most consistent with the physics?
Correct answer: C. Its weight acts at center of mass; support forces share the load according to torque balance.
Which Topic 5.5 worked example best illustrates this reasoning: “Its weight acts at center of mass; support forces share the load according to torque balance”?
Correct answer: B. Uniform beam: A beam rests on two supports.
A student is deciding how to begin the “Uniform beam” situation. What is the best first move?
Correct answer: B. Start with the physical model. Its weight acts at center of mass; support forces share the load according to torque balance.
In Topic 5.5, a student claims: “Equilibrium means no forces act.” Which correction is best?
Correct answer: B. Forces/torques can be nonzero individually but cancel in sum.
Which statement should replace this misconception in a Topic 5.5 solution: “Equilibrium means no forces act.”?
Correct answer: A. Forces/torques can be nonzero individually but cancel in sum.
In Topic 5.5, a student claims: “Zero net torque means the object is not rotating.” Which correction is best?
Correct answer: B. It can rotate at constant angular velocity.
Which statement should replace this misconception in a Topic 5.5 solution: “Zero net torque means the object is not rotating.”?
Correct answer: A. It can rotate at constant angular velocity.
In Topic 5.5, a student claims: “Torque equilibrium alone guarantees static equilibrium.” Which correction is best?
Correct answer: B. Static equilibrium also requires zero net force.
Which statement should replace this misconception in a Topic 5.5 solution: “Torque equilibrium alone guarantees static equilibrium.”?
Correct answer: A. Static equilibrium also requires zero net force.
What should a student identify before calculating in Topic 5.5?
Correct answer: B. Combine force equilibrium and torque equilibrium when needed, choose convenient axes, and analyze balanced rigid bodies.
Which statement best describes the AP Physics 1 scope for Topic 5.5?
Correct answer: B. AP problems often reward choosing an axis that eliminates unknown torque contributions.
Which study sequence best matches this Topic 5.5 lesson?
Correct answer: B. The lesson is intentionally definition-first and explains terminology on the same page before equations and practice.