TY - JOUR T1 - Tidal forces and centrifugal gradients: a pedagogical clarication on the role of free fall and curvature JO - Revista Brasileira de Ensino de FĂ­sica A1 - Benedetto, Elmo SN - 1806-1117 UL - 10.1590/1806-9126-RBEF-2026-0148 VL - 48 Y1 - 2026 PB - Brasil ER -