Mechanisms

On Tuesday the 8th of April  we played a game with the computer and some videos. Here you have the links of the videos:
What is a lever?
https://www.youtube.com/watch?v=E8RA9Kw_IaE

What is a pulley?
 https://www.youtube.com/watch?v=LiBcur1aqcg


And here you have the photos of the day.

goodbye and enjoy these videos