Physics PRO Formulas-Problems

Stuck on physics homework or studying for a test? Physics: Formulas & Problems solves physics step by step: pick a topic, type your data in any unit, and the app rearranges the formula, converts everything to SI units and shows every step of the solution.

Made by a math and physics teacher for high school, AP Physics and college students.

★ 96 PHYSICS TOPICS WITH STEP-BY-STEP FORMULAS
• Choose what you want to find: the app solves the equation for that variable.
• See the formula while you enter your data.
• Automatic unit conversion (mph, °F, atm, cal, kΩ…).
• Each step explained, plus "What is it?", "When is it used?" and a final sentence that interprets the answer.
• Supporting images for every topic.

Topics included:
• Kinematics: uniform motion, constant acceleration, free fall, projectile motion, circular motion, pendulum.
• Dynamics: Newton's laws, friction, inclined plane, Atwood machine, gravitation, torque, collisions.
• Work, energy and power.
• Fluid statics: pressure, density, Pascal's and Archimedes' principles.
• Fluid dynamics: flow rate, continuity equation, Torricelli.
• Ideal gases: Boyle's, Charles's, Gay-Lussac's and the combined gas law.
• Thermodynamics: heat, calorimetry, thermal expansion, first law, Carnot.
• Waves and optics: Doppler effect, sound, Snell's law, lenses.
• Electricity and magnetism: Coulomb's law, electric field, Ohm's law, capacitors, Lorentz force, Faraday's law, transformers.
• Modern physics: photoelectric effect, E = mc², relativity, radioactive decay.

★ 54 SOLVED PHYSICS PROBLEMS YOU CAN EDIT
Search for a problem, change the numbers in the statement and the detailed solution updates instantly. Perfect for practicing with your own exercises.

★ ELECTRIC CIRCUIT SOLVER
• Resistors in series and in parallel.
• 15 mixed circuits with an image for every reduction step.
• Delta–wye (star) transformation.
• Current, voltage and power in every resistor.

★ VECTORS
• Vector addition and subtraction with a graph.
• Dot product and cross product.
• Angle between vectors and projection.

★ UNIT CONVERTER
44 quantities and almost 800 units: length, mass, speed, pressure, energy, temperature, flow rate and more, with each conversion explained step by step.

★ BUILT FOR STUDYING
• Share your solutions or save them as PDF.
• Available in English, Spanish and Portuguese.
• Topics and calculations work offline.

Use it as a physics calculator to check your homework, as a formula sheet before an exam, or as a tutor that shows why the problem is solved that way.

Recent changes:
Physics, rebuilt! 96 topics with the formula in view and step-by-step solutions, 54 problems you can edit, a circuit solver with step images, vectors with dot and cross products, and an explained unit converter. New design across the app.