Mistake Master

AP Physics C: Mechanics

Free, research-anchored AP Physics C: Mechanics practice. Calculus-based, all seven units live. Diagnose which misconceptions are costing you points. Drill only those, with feedback after every question. Verify with full unit-length cumulative exams.

Practice

Three modes, one workflow

01 · Diagnose

Topic diagnostic

Short topic-level assessments built around documented student misconceptions. Each result routes you to the specific drills that fix what tripped you up.

Start a diagnostic

02 · Drill

Targeted drills

One misconception at a time, MCQ format, varied scenarios, feedback after every question. Reached from your diagnostic result.

03 · Verify

Cumulative MCQ

Twenty-item per-unit exams that mirror AP Physics C: Mechanics format. Use as a baseline before a unit test or as a final check after drills.

Take a cumulative

Reference

Resources and guides

By unit

Jump into a unit

  1. Unit 1KinematicsOpen ›
  2. Unit 2Force and Translational DynamicsOpen ›
  3. Unit 3Work, Energy, and PowerOpen ›
  4. Unit 4Linear MomentumOpen ›
  5. Unit 5Torque and Rotational DynamicsOpen ›
  6. Unit 6Energy and Momentum of Rotating SystemsOpen ›
  7. Unit 7OscillationsOpen ›

Why misconception-targeted, not problem volume

Even in a calculus-based course, most AP Physics C: Mechanics points are lost to a small set of well-documented misconceptions: treating centripetal force as a separate physical force, sign errors in the work-energy theorem, misapplying the rotational analogs of Newton's second law, and confusing which moment of inertia belongs to a given axis.

If you hold a misconception, more practice with it intact reinforces it — the derivatives and integrals just sit on top of the same broken model. The fastest path from a 3 to a 4 is identifying which two or three misconceptions are costing you points and addressing them directly. That is what Mistake Master is built to do.