Stone (3) Motion (3) Kinematics (3) Cinemática (3) Pierre (3) Mécanique (3) Mouvement (3) Pierre (3) Cinématique (3) démonstration (3) roche (3) uniforme (3) mouvement/immobilité (3) histoire des sciences (3) Galilée (3) History (2) Assaying (2) Texts (2) Texts (2) Notions (Philosophy) (2) Time (2) Errors (2) Error (2) Concepts (2) Circle (2) Reading (2) Measurement (2) Analysis (2) Speed (2) Interpretation (Phrasing, dynamics, etc.) (2)