Robuta

https://www.physicsclassroom.com/Physics-Video-Tutorial/Vibrations-and-Waves/Periodic-Motion/Video
This video tutorial lesson explains what is meant when saying that an object is undergoing periodic motion. The meaning of period, amplitude and frequency are...
periodic motionvideo tutorial
https://studylib.net/doc/27022461/section-1-periodic-motionpptx
Explore periodic motion, simple harmonic motion, spring energy, and pendulum motion. Includes activities and simulations for high school physics.
periodic motionsimpleharmonicpresentation