The educational resource shows a visual about the free fall in vacuum: whatever their shape and mass, all bodies fall with the same speed in a vacuum.

The educational resource shows a visual about the free fall in air: when a body falls through a fluid such as air, its shape is important.

This teaching unit aims at introducing vectors into the study of movement. There is a revision of the concepts of : Reference system, position and displacement vectors, presented in the 4th year of secondary education (Trajectory) There is a return to fundamental concepts like UM, AUM, UCM presented in previous courses: 2nd year of secondary education:Kinematics; 4th year of secondary education: Rectilinear Movement. and Uniform Circular Movement. Concepts like average and instantaneous veloc...