Engineering Textbooks:

Great statics resource: https://engineeringstatics.org/book-1.html

Intro Engineering: https://eng.libretexts.org/Bookshelves/Introduction_to_Engineering/EGR_1010%3A_Introduction_to_Engineering_for_Engineers_and_Scientists/14%3A_Fundamentals_of_Engineering/14.11%3A_Mechanics/14.11.01%3A_Statics

Mechanics Map Digital Textbook:  Jacob Moore, et al. http://www.oercommons.org/courses/mechanics-map-open-mechanics-textbook/view. Creative Commons Attribution.

Structural Analysis: https://eng.libretexts.org/Bookshelves/Civil_Engineering/Book%3A_Structural_Analysis_(Udoeyo)/01%3A_Chapters/1.04%3A_Internal_Forces_in_Beams_and_Frames

Internal Forces in Beams and Frames, Libretexts. https://eng.libretexts.org/Bookshelves/Civil_Engineering/Book%3A_Structural_Analysis_(Udoeyo)/01%3A_Chapters/1.04%3A_Internal_Forces_in_Beams_and_Frames Creative Commons.

Physics Textbooks:

University Physics Volume 1:             https://courses.lumenlearning.com/suny-osuniversityphysics/

Introductory Physics : Building Models to Describe Our World (pdf download): https://openlibrary.ecampusontario.ca/catalogue/item/?id=4c3c2c75-0029-4c9e-967f-41f178bebbbb

Information at the foundation of modern science and technology from the Physical Measurement Laboratory of NIST: https://www.physics.nist.gov/cuu/Units/index.html

“UCD: Physics 9A – Classical Mechanics” by Tom Weideman, LibreTexts is licensed under CC BY-SA. Source: https://phys.libretexts.org/Courses/University_of_California_Davis/UCD%3A_Physics_9A__Classical_Mechanics

Math Textbook:

Key Concepts of Intermediate Level Math (pdf download): https://openlibrary.ecampusontario.ca/catalogue/item/?id=d8bdc88b-5439-4652-b4bb-2948f0d5c625

Calculus Volume 1: https://openstax.org/books/calculus-volume-1/pages/1-3-trigonometric-functions

Calculus Based Physics, Jeffrey W. Schnick, https://openlibrary.ecampusontario.ca/catalogue/item/?id=ce74a181-ccde-491c-848d-05489ed182e7 Creative Commons Attribution.