AP Physics C: Mechanics Full Practice Exam
Full-length practice exam modeled on the official College Board AP Physics C: Mechanics exam (2025+ CED). 40 calculus-based multiple-choice questions across all 7 units, plus 4 free-response questions covering mathematical routines, translation between representations, experimental design, and qualitative/quantitative translation. Calculator allowed throughout.
Exam Structure
Section I — Multiple Choice
40 questions · 80 minutes
40 calculus-based MCQs across all 7 units (Kinematics, Newton's Laws, Work/Energy/Power, Linear Momentum, Torque & Rotation, Oscillations, Gravitation). Calculator allowed.
Section II — Free Response
4 items · 100 minutes
4 calculus-based FRQs: Q1 Mathematical Routines, Q2 Translation Between Representations, Q3 Experimental Design, Q4 Qualitative/Quantitative Translation. Self-graded rubric checklist.
Total time: 3h 0m. Each section has its own timer; sections are completed back-to-back. Free-response sections use a self-grading rubric checklist after you write your response.
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About the AP Physics C: Mechanics Exam
Exam Structure (2025+)
- • Section I: 40 MCQs (80 min, 50%)
- • Section II: 4 FRQs (100 min, 50%)
- • • Q1 Mathematical Routines
- • • Q2 Translation Between Representations
- • • Q3 Experimental Design & Analysis
- • • Q4 Qualitative/Quantitative Translation
- • Total: 3 hours · Calculus-based · Calculator throughout
Unit Weighting
- • U1 Kinematics (10–15%)
- • U2 Newton's Laws of Motion (20–25%)
- • U3 Work, Energy, Power (15–25%)
- • U4 Linear Momentum (10–20%)
- • U5 Torque & Rotational Motion (10–20%)
- • U6 Oscillations (5–15%)
- • U7 Gravitation (4–6%)
This full-length practice exam mirrors the real test’s sections, timing, and question mix so you can rehearse pacing and stamina before exam day. Every question is scored instantly with an explanation, and your results feed into your score prediction. For the most realistic read on where you stand, take it in one timed sitting.
About the AP Physics C: Mechanics exam
AP Physics C: Mechanics is a calculus-based college physics course intended for students pursuing engineering and the physical sciences. It covers kinematics, Newton's laws and dynamics, work, energy and power, systems of particles and linear momentum, rotational motion, oscillations, and gravitation, treating each topic with the rigor of differential and integral calculus. Unlike the algebra-based Physics 1 and 2 courses, here calculus is woven throughout: students differentiate position to find velocity and acceleration, integrate force or acceleration over time or distance, and use calculus to derive moments of inertia, work from variable forces, and equations of motion for oscillating and orbiting systems. This makes concurrent or prior calculus coursework essentially a prerequisite. The 2024-25 redesign expanded the exam to 40 four-option multiple-choice questions over 80 minutes and four free-response questions over 100 minutes, retiring the older 35-question, 45-minute format. Students often find the mathematics demanding not because the calculus is advanced but because they must set up integrals and derivatives from physical situations, choosing appropriate limits and variables. Conceptual depth matters too: the exam rewards understanding why principles like conservation of energy and angular momentum hold and how to apply them to nonstandard configurations. Strong preparation pairs fluency in calculus with deep mechanics intuition, careful free-body and force analysis, and disciplined practice on released free-response questions, where partial credit follows specific derivation steps. Treating the calculus as a tool for expressing physical reasoning, rather than as a separate hurdle, is the key to performing well across both sections of this exam.
Exam structure
Two sections, each worth 50%: Section I is 40 multiple-choice questions (four options) in 80 minutes; Section II is 4 free-response questions in 100 minutes. A calculator is permitted on both sections, and a formula/equations sheet is provided.
Scoring
Section I (50%) and Section II (50%) combine into a composite that is converted to the reported AP score of 1 to 5.
Common mistakes
- Struggling to set up the correct integrals and derivatives from a physical scenario, including choosing proper variables and limits
- Weak free-body diagrams and force analysis that derail otherwise correct calculus
- Confusing rotational quantities (torque, moment of inertia, angular momentum) with their translational analogs
- Misapplying conservation of energy or momentum to nonstandard systems instead of analyzing forces and constraints carefully
- Skipping intermediate derivation steps on free-response questions, forfeiting the partial credit awarded for them