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Uedu Physics · Interdisciplinary General Education

From senior secondary physics to university general physics

Mechanics, vibrations and waves, fluids, heat and thermodynamics, electromagnetism, optics and modern physics.
Each article is labelled with its level (secondary school / university general physics) and includes conceptual diagrams to help you build intuition and absorb the concepts.

60
readings
23
Physics topics
16
Terminology
Mechanics · Projectile motion DEMO
θ=45° v₀=20 m/s g=9.8 m/s²
40.8m
Range R
10.2m
Maximum altitude H
2.89s
Flight time t
20m/s
Settling speed
R=v₀²·sin 2θ/g t=2v₀·sin θ/g
Teaching simulation · air resistance ignored · checked using g = 9.8 m/s²

Projectile demo · R = 400/9.8 ≈ 40.8 m

I studied it in secondary school, so why do I still need to study general physics?

The topics overlap almost entirely, yet the requirements are fundamentally different — the same map, zoomed to a higher resolution.

Overlap

Mechanics, waves, heat, electromagnetism, optics, modern physics — secondary school and general physics essentially follow the same map, so it often gives the impression of "I've studied this before".

Fundamental differences

In secondary school, people ask “what is it, and how do you calculate it?” and apply formulas to get answers; in university general physics, people ask “why, where does it come from, and where are the limits?” and use calculus to derive results from first principles.

See the full two-stage comparison →

Physics topics

Build a complete map of physics step by step by starting from topic clusters (the scope is very broad, and the reader is still being expanded)

基礎與方法 Foundations & Methods

力學與運動 Mechanics & Motion

波動、流體與熱 Waves, Fluids & Heat

電磁與光 Electromagnetism & Optics

近代物理 Modern Physics

Notes for use

This section contains original educational material intended to build concepts and intuition in physics, and the illustrations are conceptual diagrams generated by AI (not precise engineering drawings). For deeper study, please still refer to textbooks and authoritative teaching materials.