The educational resource shows a visual about the apparent gravity: the gravitational field intensity, g, is not the same everywhere on the surface of the earth. If the period of the rotation were different, g would also be different.

Didactic unit about momentum for 4th of compulsory secondary education. Introduction. Momentum and Impulse. Collisions of particles. Disintegration of particles.

Didactic unit about Rectilinear Movement for 4th year of compulsory secondary education. Uniform Movement (I). Uniform Movement (II). Uniformly Accelerated Motion (I). Uniformly Accelerated Motion (II).

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

Teaching unit work and energy for 4 º ESO. Work (W). Energy. Work and energy. Power (P) of a force / machine.

Didadtic unit on Uniform Circular Movement for 4th year of compulsory secondary education . M.C.U. How to describe it. What is a radian? Angular and linear quantities.