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This is an open source conceptual physics textbook using a "spiral physics" approach. The book considers problems using a few different models or "Lenses" to help students think about the appropriate physics to use in solving problems. Topics covered include motion in one and two dimensions, forces, energy, momentum, and rotations.
<a href="https://www.compadre.org/introphys/items/detail.cfm?ID=15367">Stocker, Dean, and Peter Schwartz. Physics in Four-Part Harmony. 2nd ed. 2020.</a>
D. Stocker and P. Schwartz, , 2nd ed. (2020), WWW Document, (http://sharedcurriculum.peteschwartz.net/wp-content/uploads/sites/3/2020/05/Physics-in-Four-Part-Harmony-Full-Text-2019.pdf).
D. Stocker and P. Schwartz, Physics in Four-Part Harmony, 2nd ed. (2020), <http://sharedcurriculum.peteschwartz.net/wp-content/uploads/sites/3/2020/05/Physics-in-Four-Part-Harmony-Full-Text-2019.pdf>.
Stocker, D., & Schwartz, P. (2020). Physics in Four-Part Harmony (2nd ed.). Retrieved August 14, 2026, from http://sharedcurriculum.peteschwartz.net/wp-content/uploads/sites/3/2020/05/Physics-in-Four-Part-Harmony-Full-Text-2019.pdf
Stocker, Dean, and Peter Schwartz. Physics in Four-Part Harmony. 2nd ed. 2020. http://sharedcurriculum.peteschwartz.net/wp-content/uploads/sites/3/2020/05/Physics-in-Four-Part-Harmony-Full-Text-2019.pdf (accessed 14 August 2026).
Stocker, Dean, and Peter Schwartz. Physics in Four-Part Harmony. 2nd ed. 2020. 14 May 2020. 14 Aug. 2026 <http://sharedcurriculum.peteschwartz.net/wp-content/uploads/sites/3/2020/05/Physics-in-Four-Part-Harmony-Full-Text-2019.pdf>.
%0 Book %A Stocker, Dean %A Schwartz, Peter %D May 14, 2020 %T Physics in Four-Part Harmony %P 137 %7 2nd %8 May 14, 2020 %U http://sharedcurriculum.peteschwartz.net/wp-content/uploads/sites/3/2020/05/Physics-in-Four-Part-Harmony-Full-Text-2019.pdf
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