Bibliography Sites and references. 1.       https://www.wired.com/2014/07/a-rolling-object-accelerating-down-an-incline/ 2.       http://hyperphysics.phy-astr.gsu.edu/hbase/rotwe.html 3.       https://billiards.colostate.edu/physics_articles/Hierrezuelo_PhysEd_95_article.pdf (PDF in Print) 4.       https://lockhaven.edu/~dsimanek/scenario/rolling.htm 5.       https://www.youtube.com/watch?v=1VPfZ_XzisU&ab_channel=Veritasium (video) 6.  https://courses.lumenlearning.com/boundless-physics/chapter/rotational-kinematics/  Picture References. 1.       https://gifer.com/en/1PfD 2.       https://en.wikipedia.org/wiki/Precession 3.       https://www.pinterest.com/pin/196399233724914597/ 4.       https://tenor.com/view/nasa-nasa-gifs-spinning-micro-gravity-space-station-gif-9368716 5.       https://gifer.com/en/PN48 6.       https://gfycat.com/blondillustrioushorsechestnutleafminer 7.    https://science.howstuffworks.com/innovation/scientific-experiments/newton-law-of-motion1.htm Thank you