13. Composition of motions | 13/26 | UPV

Título: 13. Composition of motions

Descripción automática: In this video, the topic is the composition of motions, considering three specific scenarios under Galilean independence. Initially, the video discusses the composition of two rectilinear uniform motions in the same direction and sense, illustrating the concept with a person, J, walking on a moving conveyor belt. The movement equation for this scenario combines the motions of J and the belt, resulting in a rectilinear uniform motion characterized by an aggregated velocity and no acceleration.

Next, the video explores the composition of two rectilinear uniform motions with perpendicular directions, akin to J rowing in water moving sideways. This results in a combined motion with both X and Y components, where the final velocity is the vector sum of individual motions, the acceleration remains zero, and the position vector is the sum of the position vectors of each motion.

Finally, the video examines parabolic trajectory using J's basketball throw as an example. The parabolic motion is depicted as the combination of a uniform motion on the X-axis and a uniformly accelerated one on the Y-axis. Through this, the video derives the mathematical expressions for acceleration, velocity, and position vectors, and demonstrates how to calculate the maximum height and range of the parabolic trajectory. The session concludes with a recap of the principles behind motion composition in rectilinear uniform movements, both aligned and perpendicular, as well as in parabolic trajectories.

Autor/a: Rubio Michavila Constanza

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