2026-08-20 21:54:58: Fluids

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biology/Biology AP Exam Tips.md

@@ -1,2 +1,2 @@
-[[biology]]
+[[Biology]]
 * In the exam, always connect an organelle to a specific function

biology/Cell Structure and Function/Cell Structure and Function.md

@@ -1,4 +1,4 @@
-[[biology]]
+[[Biology]]
 
 Cell structure and function boils down to the idea that each subcellular component has a structure that supports a singular job.
 

biology/Cellular Energetics/Cellular Energetics.md

@@ -1 +1 @@
-[[biology]]
+[[Biology]]

biology/Chemistry of Life/chemistry of life.md

@@ -1 +1 @@
-[[biology]]
+[[Biology]]

chemistry/Matter and Chemical Bonding.md

@@ -1 +1 @@
-[[chemistry]]
+[[Chemistry]]

chemistry/Stoichiometry.md

@@ -1,4 +1,4 @@
-[[chemistry]]
+[[Chemistry]]
 
 **"calculation of relative quantities of reactants and products in chemical reactions"**
 

chemistry/chemical reactions.md

@@ -1,4 +1,4 @@
-[[chemistry]]
+[[Chemistry]]
 
 **main types**
 synthesis

chemistry/periodic table.md

@@ -1,4 +1,4 @@
-[[chemistry]]
+[[Chemistry]]
 
 periods are rows
 groups are columns

chemistry/polyatomic ions.md

@@ -1,4 +1,4 @@
-[[chemistry]]
+[[Chemistry]]
 
 **"a charged chemical species composed of two or more atoms covalently bonded or of a metal complex, that can be considered to be acting as a single unit"
 

literacy/buzzwords.md

@@ -1,4 +1,4 @@
-[[literacy]]
+[[Literacy]]
 really buzzy buzzwords
 
 praxis - implementation of a theory

literacy/fallacies.md

@@ -1,4 +1,4 @@
-[[literacy]]
+[[Literacy]]
 things you use in an argument with no bearing to logic or the argument
 
 ad hominem - insulting the other guy

math/algebra.md

@@ -1,4 +1,4 @@
-[[math]]
+[[Math]]
 basically just the comedically easy stuff
 
 like what do i even write here it's all too easy

math/calculus.md

@@ -1,4 +1,4 @@
-[[math]]
+[[Math]]
 basically just the hard stuff
 
 fundamental theorem of calculus![[Pasted image 20260816065000.png]]![[Pasted image 20260816065016.png]]

math/game theory.md

@@ -1,4 +1,4 @@
-[[math]]
+[[Math]]
 
 # different types of games
 

math/linear algebra.md

@@ -1,4 +1,4 @@
-[[math]]
+[[Math]]
 [[vectors]]
 [[matrices]]
 

math/matrices.md

@@ -1,4 +1,4 @@
-[[math]]
+[[Math]]
 
 basically arrays of arrays
 

math/probability.md

@@ -1 +1 @@
-[[math]]
+[[Math]]

math/quadratics.md

@@ -1,4 +1,4 @@
 the stupidly easy stuff
-[[math]]
+[[Math]]
 
 basically just ^2 shit

math/vectors.md

@@ -1,2 +1,2 @@
-[[math]]
+[[Math]]
 basically just the easy stuff

medical/classes of drugs.md

@@ -1,4 +1,4 @@
-[[medical]]
+[[Medical]]
 ### Therapeutic class
 Analgesics - pain relievers (opiods,nsaids)
 Antibiotics/Antimicrobial - treat bacterial and fungal infections

physics/Fluids/Fluid and Newton Laws.md

@@ -0,0 +1 @@
+[[Fluids]]

physics/Fluids/Internal Structure and Density.md

@@ -0,0 +1,9 @@
+[[Fluids]]
+
+# Summary
+* Fluids are substances with no fixed shape.
+* Density: $p=m/V$
+* Difference between states of matter is how strongly their particles interact.
+* Object floats when density is less than surrounds density.
+* Ideal fluid has no viscosity and is incompressible.
+* Density changes with temperature and pressure.

physics/Fluids/Pressure.md

@@ -0,0 +1,12 @@
+[[Fluids]]
+Pressure is perpendicular force acting on a surface divided by area.
+
+# Summary
+* $P=\frac{F_\perp}{A}$
+* Scalar.
+* Incompressible fluids keep constant density and volume when pressure changes.
+* $P=P_0+pgh$
+* At the fluid surface h is 0.
+* Measured in pascals (1 Pa = N/m^2)
+# Absolute vs Gauge Pressure
+Absolute pressure is total pressure: $P=P_0+pgh$, where $P_0$ is a reference pressure such as atmospheric pressure ($P_{atm}$) and gauge pressures is $pgh$. Positive gauge pressure means above atmospheric, negative means below.