Problem-based Learning with Video Analysis: The Case of the Variable-Mass Atwood Machine (J. L. Saquinaula-Brito, J. J. Plaza-Santillán, J. D. Ortiz-Mata, & E. A. Lamilla-Rubio , Trans.). (2025). Revista Cubana De Física, 42(2), 87-95. https://www.revistacubanadefisica.org/index.php/rcf/article/view/73