The F=ma is preliminary physics contest for United States National Physics Olympiad (USAPhO). USAPhO is a high school physics competition, run by the America Association of Physics Teachers and Institute of Physics to select the team to represent United States at the International Physics Olympiad. The team is selected through a series of exams testing their problem-solving abilities. The current procedure to select the U.S. physics team consists of two exams, the preliminary “F=ma” exam and the semifinals.
