A field guide to figuring things out

The world is
full of whys.
Start here.

Build an intuition for physics, from the ground up. Thoughtful lessons, narrated videos, and problems worth a pencil and a little patience.

Begin the first lesson Explore the curriculum

Start with school arithmetic. Bring your curiosity.

FIELD NOTES / 001THE ART OF ASKING WHY
The Moon falling around Earth A schematic, nearly circular elliptical orbit of the Moon around Earth. Earth is at one focus, close to the centre. The Moon's velocity points along the tangent; gravity pulls toward Earth. Body sizes and orbital distance are not to scale. v Earth Moon gravity F = Gm₁m₂ / r² A SIMPLE QUESTION:WHY DOESN’T THE MOON FALL? IT DOES. CONSTANTLY.
01 / Falling, and always missing.

The Moon falls toward Earth while moving forward, continually missing it. Schematic; sizes and distance are not to scale.

Understand an orbit

12 interactive lessons, ready when you are.

Narrated videos · Worked examples · In-page practice

TRY A LITTLE PHYSICS

A small walk.
A useful distinction.

Make a prediction, then watch what happens. This is how a lesson can begin.

Explore distance and displacement
-5-4-3-2-1012345678910start · metres

Start at 0 m. Forwards is positive.

Walk 5 metres forwards, then 3 metres back. Where will you finish relative to the start?

Show the answer

2 metres forwards

Displacement compares finish with start: +5 − 3 = +2 m. Distance counts both legs: 5 + 3 = 8 m.

01 / THE FIRST SERIES

See the full curriculum

Physics,
From the Ground Up.

From the scale of an atom to the path of a planet. Start with the tools, follow the ideas, and build a picture that holds together.

12 lessons available · 3 with narrated videos
The rest of the roadmap is clearly marked as planned.

  1. M1MATHS TOOLKIT

    Numbers, units and estimation

  2. M2MATHS TOOLKIT

    Algebra and graphs for physics

  3. P1PHYSICS

    Describing motion

02 / A LITTLE AT A TIME

A notebook helps. A deadline doesn’t.

Understanding takes a little doing.

  1. 01

    Get the picture.

    Narrated videos build intuition. Watch when one is available, or go straight to the lesson.

  2. 02

    Follow the thread.

    One idea at a time, at your own pace. Read step by step, or open the whole chapter.

  3. 03

    Make it yours.

    Try a problem. Check your reasoning. Come back to the questions that need another look.

A guide to learning here

AN INDEPENDENT EXPLORATION

For the pleasure
of understanding.

Relatively Puzzled makes narrated explainers and the written lessons that go with them. The maths arrives when it is needed; the questions get more interesting as you go.

Find the videos on YouTube