You need a 2D physics engine.
If you are looking to study the code or host a version yourself, these repositories are notable starting points: MOTO X3M 3 UNBLOCKED GITHUB github moto x3m
Moto X3M is a physics-based motorcycle racing game developed by AddictingGames, a renowned online gaming platform. The game was initially released in 2016 and has since become a favorite among gamers who enjoy racing games. Moto X3M is known for its simple yet addictive gameplay, beautiful graphics, and realistic physics engine. You need a 2D physics engine