
In order to understand more quickly
Let me explain:
b = coefficient of friction/damping between the blue liquid and the diver
the red arrow is the velocity of the diver
air in trapped inside diver which is inside the bottle
the yellow button allows simulated pressure to be exerted in the liquid in the bottle
the bottom of the diver is open, to allow liquid pressure to force the air trapped in the diver to a smaller volume
the best way to learn is to make the cartesian diver yourself, i made one already.....
i used the "magic" fingers to pretend i can control the diver, the students are amazed and puzzled
It is quite fun for the students!
Found a youtube that shows well the concept and how to construct it
Cartesian diver
This classic experiment is a fun way to explore why things float or sink.