This MCAT Basics episode covers fluid statics (fluids standing still). It begins with different fluid properties, including surface tension, vapor pressure, adsorption and absorption, adhesion and cohesion, and Henry’s law. Next, it discusses several important fluid statics concepts: static fluid pressure, Pascal’s law, gauge pressure vs absolute pressure, osmotic pressure, and buoyancy.
For information on fluid dynamics (moving fluids), skip to the 43:00 mark in the cardiovascular system + fluids podcast.
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[00:00] Introduction
[02:18] Properties of fluids
[07:10] Surface Tension
[11:54] Difference between adsorption and absorption
[14:09] Vapor Pressure
[19:07] Henry’s Law
[20:35] Static Fluid Pressure
[25:10] Pascal’s Law
[29:23] The difference between gauge pressure and absolute pressure.
[31:24] Osmotic Pressure
[44:35] Buoyancy
