<![CDATA[This study aims to determine the agreement between experimental data from uniform linear motion and uniformly accelerated linear motion experiments using a line-following robot and linear motion theory. The novelty lies in providing empirical evidence on the scientific suitability of line-following robots for representing different types of linear motion. The study validates the robot’s ability to represent GLB, accelerated GLBB, and decelerated GLBB by evaluating the agreement between experimental and theoretical velocity-time (v-t) characteristics before implementation as a physics learning tool. The method involved conducting linear motion experiments, plotting experimental data on v-t graphs, and comparing them with theoretical graphs. Three types of motion were investigated: GLB, accelerated GLBB, and decelerated GLBB. The accelerated and decelerated GLBB experiments were conducted at elevation angles of 13°, 10°, 7°, and 4°. The results show that the GLB and decelerated GLBB experiments generally align with the corresponding motion concepts. The GLB experiment achieved a mean R² value of 1, indicating very high agreement with linear motion theory. Decelerated GLBB achieved a mean R² value of 0.8618, with very high agreement at elevation angles of 10°, 7°, and 4°. In contrast, the accelerated GLBB experiment produced a v-t graph inconsistent with theoretical expectations because the robot’s speed remained nearly constant rather than increasing uniformly. Therefore, the line-following robot is suitable for representing GLB and decelerated GLBB, particularly at elevation angles of 10°, 7°, and 4°. However, it does not adequately represent accelerated GLBB and requires further modification before use for this motion type.]]>
