On top if the torrential rain that started the day, all groups now are working through the fluids unit. B and E Blocks had a discussion about buoyancy and how to experimentally and mathematically determine the magnitude of buoyant forces. Tomorrow, E Block will work in a lab that will let them take a closer look at buoyant forces and preview a few ideas about the effects of depth or altitude on forces and pressure. B block will begin their study of fluid pressure with a look at Pascal's principle and hydraulics.
B Block discussed fluid pressure in class and looked at some techniques for solving problems involving simple hydraulic devices. Tomorrow, we look at how depth or altitude influences the pressures objects experience. E Block worked on their lab on buoyant forces and investigated how sending a object deeper into a fluid affected the size of the upward force acting on the bottom of the object. By graphing the force on the object versus depth, we were able to determine the density of the fluid in which the object was submerged. We'll review this lab tomorrow, go over your homework problems for buoyancy and then move into the arena of fluid pressure.
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