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It takes more than just memorization of formulas to prepare for the AP Physics exam. Your ability to apply concepts, explain reasoning, and solve multi-step problems is tested in the free-response section (FRQs).
To help U.S. students increase accuracy and score higher, this guide offers comprehensive AP Physics FRQ practice strategies, sample questions, and scoring advice in line with College Board standards.
You must respond to free-response questions that require written explanations, diagrams, and step-by-step solutions in order to prepare for the AP Physics FRQ. Half of the total score on the AP Physics exam comes from these questions. They assess your conceptual comprehension, problem-solving skills, and capacity for scientific thought.
Students preparing for AP Physics exams should practice FRQs based on their specific course in order to understand exam patterns, scoring procedures, and question types.
AP Physics FRQ Practice by Course
| AP Physics Course | What’s Included | Practice |
| AP Physics 1 FRQ Practice | Motion, forces, energy, and experimental design questions based on algebra | Practice |
| AP Physics 2 FRQ Practice | Inquiries about electricity, fluids, thermodynamics, and optics | Practice |
| AP Physics C Mechanics FRQ Practice | Calculus-based motion, rotation, and energy problems | Practice |
| AP Physics C Electricity and Magnetism FRQ Practice | Complex issues involving electric fields, circuits, and magnetism | Practice |
Mastery of fundamental formulas and ideas is necessary for successful AP Physics FRQ practice.
| Concept | Formula | Description |
| Newton’s Second Law | F = ma | Force equals mass × acceleration |
| Kinematics | v = v₀ + at | Velocity under constant acceleration |
| Displacement | x = v₀t + ½at² | Position over time |
| Work-Energy | W = ΔKE | Energy transfer |
| Momentum | p = mv | Motion quantity |
| Torque | τ = r × F | Rotational force |
| SHM | T = 2π√(m/k) | Oscillation period |
| Coulomb’s Law | F = kq₁q₂/r² | Electric force |
| Ohm’s Law | V = IR | Circuit relation |
| Gravitation | F = Gm₁m₂/r² | Gravitational force |
FRQs emphasize applying ideas to various subjects.
High-Frequency Topics
| Projectile motion and kinematics | Rotational motion |
| Newton’s laws in systems | Experimental design |
| Energy conservation | Electric circuits and fields |
| Feature | MCQ (Multiple Choice Questions) | FRQ (Free-Response Questions) |
| Format | Select the correct answer | Write full step-by-step solutions |
| Number of Questions | 35–50 (depends on exam) | 3–5 (depends on exam) |
| Time | 45–90 minutes | 45–90 minutes |
| Skills Tested | Concept recognition, speed, accuracy | Problem-solving, reasoning, explanation |
| Scoring Style | All-or-nothing | Partial credit available |
| Use of Work | No work required | Full solution required (equations + steps) |
| Diagrams | Not required | Often required (free-body diagrams, graphs) |
| Difficulty Level | Moderate | High |
| Weight in Exam | 50% of total score | 50% of total score |
The FRQ section format varies by exam but always includes multi-step problems that test reasoning and application.
| Exam | FRQs | Time | Details |
| AP Physics 1 | 5 Questions | 90 minutes | Includes a paragraph response and an experimental design. |
| AP Physics 2 | 4 Questions | 90 minutes | Emphasizes electricity, optics, thermodynamics, and fluids. |
| AP Physics C: Mechanics | 3 Questions | 45 minutes | Numerical problems with multiple parts |
| AP Physics C: E&M | 3 Questions | 45 minutes | Electromagnetism, fields, and circuits |
The FRQ section contributes 50% of your total score, making practice essential.
A comprehensive point-based rubric is used to grade AP Physics free-response questions. Students receive points not only for the final response but also for demonstrating accurate concepts, appropriate setup, and coherent reasoning.
| Criteria | Points Awarded |
| Concept | Use of the right physics principle |
| Setup | Appropriate formula and method |
| Calculation | Appropriate mathematical procedures |
| Units | Included are the correct units |
| Explanation | Reasoning that is logical and clear |
You can still get some points even if your final answer is wrong if you show the right steps and reasoning.
To score high, students must clearly show reasoning and structured solutions.
Understanding command words is essential for answering AP Physics FRQs correctly.
| Command | Meaning |
| Calculate | Solve the issue using numbers. |
| Derive | Display the steps beginning with a formula. |
| Explain | Explain reasoning using ideas from physics. |
| Sketch | Create a diagram or graph. |
| Justify | Provide evidence and reasoning to back up your response. |
Examiners for AP Physics adhere to stringent scoring guidelines and seek out precise, well-organized responses.
Even if there are a few minor computation errors, students who can articulate their ideas clearly tend to perform better.
Question 1: Projectile Motion
A ball is launched horizontally from a height of 1.25 m with velocity 4.0 m/s.
Answer: Time = 0.5 s
Distance = 2.0 m
Velocity graph is linear due to constant acceleration
Question 2: Work-Energy
A 5 kg block slides from height 3 m.
Answer: PE = 150 J
Velocity ≈ 7.75 m/s
With friction ≈ 6.63 m/s
Question 3: Electric Circuits
Two resistors (6Ω and 12Ω) in parallel.
Answer: Equivalent resistance = 4Ω
Current = 3 A
Power = 12 W
The goal of AP Physics FRQ practice is to solve problems with more than one step using the right formulas, clear reasoning, and well-organized explanations. Students must show all of their work, use units, and follow the command words “explain” or “derive.” Regularly practicing with old questions and understanding how the scoring works will help you get high scores on tests.
What is an AP Physics FRQ?
An FRQ is a question requiring written explanations and calculations.
How many FRQs are on AP Physics 1?
There are 5 FRQs in 90 minutes.
How are FRQs scored?
Using a rubric based on reasoning, setup, and answers.
Where can I practice FRQs?
On official College Board resources.
What is the biggest mistake?
Not showing reasoning and skipping steps.
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