Additional online reading Welcome to BFSU: › Forums › Volume One › Learning Progression “C”: Physical Science, Engineering and Technogy › Lesson C-5. Inertia › Additional online reading Tagged: Enhancement This topic has 0 replies, 1 voice, and was last updated 10 years ago by Bernard Nebel. Viewing 0 reply threads Author Posts November 8, 2014 at 12:00 pm #387 Bernard NebelKeymaster Library of Congress Everyday Mysteries Why don’t I fall out when a roller coaster goes upside down? http://www.loc.gov/rr/scitech/mysteries/rollercoaster.html Author Posts Viewing 0 reply threads You must be logged in to reply to this topic.