Forces can carry out work. The work done by a force is different if it has the same direction and orientation as the displacement, or if its direction is different.

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...

Didactic unit about history and travel for 4th compulsory secondary education. Introduction to the study of movement. Reference System. Trajectory. Displacement.