Book on a Table

This activity is adapted from "Unit 1: Normal Forces" in the book "Preconceptions in Mechanics" by Camp and Clement: https://people.umass.edu/clement/pdf/PreconceptionsManuscriptEd.pdf Video demo of deflecting laser beam is taken from: https://www.youtube.com/watch?v=3lNF4XDMt2k

By Frank Noschese