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OAT Physics

Chapter 5 - Fluids and Solids (Review)

Fluids liquids and gases
Density = m/V
Work =DVg
specific gravity the ratio of the density of a substance to the density of water
Density of water 1000kg/m^3
Absolute Pressure = Po + Dgh
Gauge Pressure Pg = P-Patm
Pascal's Principle a change in pressure applied to an enclosed fluid is transmitted to every portion of the liquid
Change in pressure (Pascal) = F1/A1 = F2/A2
V (Pascal) = A1d1 = A2d2
Archimedes' Principle a body wholly or partially immersed in a fluid will be buoyed up by a force equal to the weight of the fluid it displaces
adhesion attractive force a molecule of a liquid feels toward molecules of another substance; water sticking to winshiedl
cohesion attractive force a molecule of a liquid feels to other molecules of the same liquid; water with water; why water stays on a coin in a bubble
continuity equation v1A1 = v2A2; in narrow passages the flow is faster than in wider passages
viscosity frictional force in a fluid
Modulus Eq Y = (F/A)/(delta L/L); stress/strain; large means strong material
Shear Modulus only solids experience this; stress over strain; S = (F/A)/(x/h)
Bulk Modulus B = delta P/(delta V/V)
Created by: vahajuddin
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