4ESO Física i Química : Article 92 : Acceleration due to gravity.

 - Video 1.

 - Video 2.

 - Video 3.

 - Video 4.

 - Video 5 Free fall constant accelerated motion.

 - Video 6 , free fall motion exercise 1.

 - Video 7, free fall motion exercise 2.

 - Video 8, free fall motion exercise 3.

 - Video 9, free fall motion exercise 4.

- you can look for the same kind of exercises from the last ones, from the 17 number exercise on.