===== Pendulum =====
| [[Mechanics]] $\succ \dots \succ$ [[Pendulum]] $\succ \dots \succ$ $\dots$ |

==== Guide ====

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=== app brainstorming ===

- hanging pendulum, projections to AR axes

- magic stick, tracking, projection of $x(t)$, also $x'(t)$ and $x''(t)$ + fixed color scheme

- cube of pendulum with side projections

- replay of happenings

- introducing time axes

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=== Sequel of ===
[[Mechanics]]
=== Related ===
[[Harmonic oscillator Hamiltonian]]