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Turn your physics equations into flashcards with AI

Ready-made decks are a quick start, but flashcards built from your own textbook chapter or lecture slides cover the equations your exam actually uses.

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How to build a strong equation deck

Physics exams rarely ask you to recite a formula cold. They ask you to pick the right one, rearrange it, and plug in units. physics equation flashcards work best when the front describes a situation and the back gives the formula with every variable defined.

  • Write the front as a scenario, such as a car braking on a flat road, not just a symbol name.
  • Define each variable and its units on the back so you can check your work.
  • Include a rearranged form when your course asks you to solve for a different variable.
  • Keep one equation per card and tag cards by chapter or unit.
Example physics equation flashcards
Newton's second law: which equation relates net force, mass, and acceleration?F = ma, net force equals mass times acceleration, so a larger mass needs more force for the same acceleration.
Kinetic energy formula for an object moving at speed v?KE = ½mv², kinetic energy equals one half mass times velocity squared, so doubling speed quadruples energy.
Ohm's law: how are voltage, current, and resistance related?V = IR, voltage equals current times resistance, which lets you solve for any one when the other two are known.
Ideal gas law: what relates pressure, volume, moles, and temperature?PV = nRT, with temperature in kelvin, because the gas constant only works on an absolute temperature scale.
Mass-energy equivalence: what does E = mc² give?Energy equals mass times the speed of light squared, showing that a small mass corresponds to a very large energy.
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Equations from your own material

Upload a PDF, slide deck, or photo of a page and get cards for the formulas in your course.

Spaced repetition built in

Cards return at intervals that help you keep formulas in memory, not just recognize them on sight.

Export when you need it

Plus plans export to Anki, CSV, PDF, and DOCX so your equation cards travel with you.

How it works

Upload your material

Add lecture slides, a chapter PDF, or photos of worked examples from class.

Review the cards

Check that each equation has the right variables and units before you start studying.

Study on schedule

Spaced repetition brings back the cards you are most likely to forget.

Start with the equations from your own syllabus rather than a generic list, since instructors often use their own notation, such as delta for change or specific sign conventions. Put one relationship on each card and include a unit check on the back.

Review new cards daily for the first week, then let spacing stretch the gaps as you answer correctly. Cards you miss come back sooner, which keeps your effort on the formulas that need it.

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Frequently asked questions

How many equation flashcards should I make for a physics unit?

Start with the core equations from each lesson and add rearranged forms only where you keep missing them. Reviewing one unit's worth of cards at a time is usually easier than working through a whole course at once.

Should I memorize physics equations or learn how to derive them?

Memorize the equations your course expects you to recall, and practice applying each one to problems, since exams test selection and substitution. Derivations are usually worth studying once you can use the result confidently.

Are DeckOwl's equation flashcards free?

The free plan includes 3 generations per month and studying in the browser. Exporting to PDF, DOCX, Anki, or CSV requires Plus, which costs $39/year or $7.99/month.

Is there a student discount?

Yes, students get 40% off with a school email address, and no credit card is needed to start.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.