Title and author:
Block and Spring on an Inclined Plane
Wolfgang Christian, remixed by lookang (weelookang@gmail.com) for simple harmonic motion; lookang
© 2020, Wolfgang Christian, remixed by lookang (weelookang@gmail.com) for simple harmonic motion; lookang. Compiled with EJS 6.0 (191124)
Released under a 
license.
license.