This is a revision guide for Pre-U Physics 2019-21. The specification is available at https://www.cambridgeinternational.org/Images/329613-2019-2021-syllabus.pdf.
This revision guide has been written by the Physics Department at Westminster School. This is a narrow revision guide, if you are looking for a textbook try Openstax College Physics or Advanced Physics by Adams and Allday.
The revision guide is written in LaTeX, is open source and hosted on Github (https://github.com/mrpsharp/physics-PreU). Most of the work was done using Cocalc, an excellent online development environment for LaTeX, Sage, Jupyter notebooks and more.
If you find a mistake, or would like to suggest an enhancement, please do submit bug reports and enhancement requests. Simply click the link and go to ‘issues’ in order to report your thoughts. If you would like to contribute to the revision guide, and this would be great, please ensure you read ‘CONTRIBUTING.md’ and then you can submit a pull request.