calzoneman/Golfram-Alpha — comment on commit b2ae5cdb88837b8fd94f28439a25d1bcb7db24db
File: golfram/core.py line 318
By calzoneman:

@kalgynirae I'm not really sure whether to include a ```level``` reference in Ball and have the Ball do its own friction based on that or have the ```Player``` class call ```apply_force()``` on the ball with the appropriate values.