Innovation in Teaching Classical Mechanics: Active Methodologies and Experiments with Catapults
DOI:
https://doi.org/10.15536/reducarmais.10.2026.4434Keywords:
Project-based learning, Projectile motion, Low-cost experimentsAbstract
Difficulties in teaching Physics often arise from theoretical abstraction and mathematical rigor. To mitigate these obstacles, this paper describes a Project‑Based Learning (PBL) activity applied to the study of projectile kinematics at a university in the Brazilian semi‑arid region. The methodology involved a first‑year class organized into groups that built low‑cost catapults (popsicle sticks, glue, and rubber bands). Assessment combined well‑defined products and activities: an explanatory video, a project logbook, and a competition that evaluated design, maximum range, and launch accuracy relative to prior calculations. This approach promoted a dynamic environment, encouraging inquiry and teamwork. Observed outcomes included greater student engagement and motivation, as well as improved integration between theory and practice, which helped reduce conceptual abstraction. It is concluded that accessible experiments implemented through PBL are an effective strategy to consolidate mechanics concepts and to develop practical and collaborative skills in resource‑limited contexts.
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Copyright (c) 2026 Sharon Dantas da Cunha, Kytéria Sabina Lopes de Figueredo, Aline Mara Maia Bessa, Francisco Felipe Chaves Lima

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