Arcs

Simple Pendulum

https://drive.google.com/file/d/12IYaC24i1WaW400wLebF-2-KmNHxslcC/view?usp=drivesdk

Coin Pendulum

https://drive.google.com/file/d/15x4ZB9u6l3torHjKLa7DvL2_gyOykTuW/view?usp=sharing