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Exam prep · AP Physics 1

AP Physics 1 flashcards: the relationships behind the equations

AP Physics 1 asks you to reason with equations more than compute with them. Flashcards work when the front is a situation (“block on a frictionless incline, released from rest”) and the back is the model that applies. Start with the free mechanics and circuits decks below, then build cards from your own labs and notes.

Start studying free Turn my prep book into flashcards

Updated 2026-10-27. Decks are shared by Quizcard and its users; study them on the page or copy them into a free account.

AP Physics 1 at a glance

Format: Section I: 40 multiple-choice questions in 80 minutes (50%). Section II: 4 free-response questions in 100 minutes (50%), including an experimental design question.
Length: 3 hours.
Scoring: 1 to 5. No penalty for wrong answers.
Calculator: Allowed on both sections. An equation sheet and a table of constants are provided.
Date: Early to mid May. Register through your school.

What the AP Physics 1 tests

Unit 1: Kinematics. Motion in one and two dimensions, graphs of motion. 10 to 15% of the exam. Study guide →
Unit 2: Force and translational dynamics. Newton’s laws, free-body diagrams, friction, circular motion, gravitation. 18 to 23%. Study guide →
Unit 3: Work, energy and power. Work, conservation of energy, power. 18 to 23%. Study guide →
Unit 4: Linear momentum. Impulse, conservation of momentum, collisions. 10 to 15%. Study guide → Watch the lesson →
Unit 5: Torque and rotational dynamics. Torque, rotational kinematics and dynamics, rotational inertia. 10 to 15%. Study guide →
Unit 6: Energy and momentum of rotating systems. Rotational kinetic energy, angular momentum and its conservation. 5 to 8%. Study guide →
Unit 7: Oscillations. Simple harmonic motion, springs and pendulums. 5 to 8%. Study guide →
Unit 8: Fluids. Density, pressure, buoyancy, fluid flow. 10 to 15%. Study guide →

AP Physics 1 unit study guides

Each guide is the unit on one page: a mindmap, the ideas in order, a worked exam-style question, the mistake students make most, then the flashcards and quiz for it.

Free AP Physics 1 flashcard decks

Missing a topic? Upload the chapter from your prep book and Quizcard builds the deck for you, grouped by topic, with figures kept from PDFs. How it works.

Test yourself: free AP Physics 1 practice quizzes

Each quiz scores you at the end and explains every answer. Redo it any time; the questions reshuffle.

AP Physics 1 video lessons

One unit per video: the ideas, a worked exam-style question and the mistake students make most. Study the flashcards and take the quiz above after watching.

Linear Momentum: Impulse, Conservation & Collisions

Unit 4: Linear momentum · 4 min · Watch on YouTube · 30-second version

Sample cards from “Physics: Kinematics and Newton's Laws”

State Newton's third law.

Answer: For every action force there is an equal and opposite reaction force on the other object.

Explanation

The two forces act on different objects, so they don't cancel.

Momentum formula and its conservation

Answer: p = mv; in a closed system total momentum before a collision equals total momentum after.

Explanation

Impulse J = FΔt = Δp.

State conservation of mechanical energy.

Answer: Without friction or air resistance, KE + PE stays constant.

Explanation

Energy converts between kinetic and potential forms.

Gravitational potential energy formula

Answer: PE = mgh

Explanation

h measured from a chosen reference level.

Kinetic energy formula

Answer: KE = ½mv²

Explanation

Doubling speed quadruples kinetic energy.

Define work in physics.

Answer: W = F · d · cosθ, the force times the displacement in the direction of the force.

Explanation

Units: joules. No displacement, no work.

Showing 6 of 25 cards. Study the whole deck or copy it into your account.

A flashcard study plan for the AP Physics 1

Weeks 1 to 2: kinematics and forces. Card every graph relationship (slope of a velocity graph, area under an acceleration graph) and the free-body diagram for the standard situations. Study the kinematics and Newton’s laws deck.
Week 3: energy and momentum. One card per conservation statement with its condition (“no external work” / “no external net force”) on the front.
Week 4: rotation, oscillations and fluids. Card the rotational analogue of every linear quantity side by side.
Week 5: generate decks from your lab notes and review book, then card the justification language from released free-response rubrics (“because the net force is zero, the acceleration is zero”).
Week 6: one released exam under time, then a “missed” deck only for the final days.

How to write AP Physics 1 cards that work

Front: a described situation. Back: the model and the equation sheet line that applies. Never card a bare formula; you get the sheet.
Card the qualitative reasoning the free-response questions want: what happens to the period if the mass doubles, and why.
For the experimental design question, card the four parts graders look for: measured quantities, equipment, procedure, and how the data answer the question.
Keep units and sign conventions on their own cards; most lost points in mechanics are sign errors.

Questions

Are the physics decks here free?

Yes. Study them on the page or copy them into a free account; your own cards are free with no limits.

Can I turn my lab notes into flashcards?

Upload them as a PDF or paste the text and Quizcard writes a deck grouped by topic, keeping diagrams on the cards. Two generated documents are free.

Does the exam still include circuits?

No. The revised AP Physics 1 course (from 2024-25) covers mechanics, oscillations and fluids. Circuits moved to AP Physics 2, but the circuits deck below is still useful if your class covers them.

Is there a practice quiz?

Public decks with a quiz show it in the “Test yourself” section; you can also press “Quiz me” on any deck you copy.

Other exams

Official information: College Board: AP Physics 1. Formats and weights change; check the official page before test day.

Try it with your own material

Upload a PDF, slides or notes and study the deck in minutes. Making your own cards is free with no limits.

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