Physics Formulae/Equations for Properties of Matter

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Lead Article: Tables of Physics Formulae


This article is a summary of the laws, principles, defining quantities, and useful formulae in the analysis of Equations for Properties of Matter.


Friction[edit]

Normal Force
Static Friction, lies tangent to the surface
Kinetic Friction, lies tangent to the surface
Drag Force, tangent to the path
Terminal Velocity
Energy dissipation due to Friction

(sound, heat etc)

Stress and strain[edit]

Quantity (Common Name/s) (Common) Symbol/s Definining Equation SI Units Dimension
General Stress

F may be any force applied to area A

Pa = N m-2 [M] [T] [L]-1
General Strain


D = dimension (length, area, volume)

= change in dimension

dimensionless dimensionless
General Modulus of Elasticity Pa = N m-2 [M] [T] [L]-1
Yield Strength/
Ultimate Strength
Young's Modulus Pa = N m-2 [M] [T] [L]-1
Shear Modulus Pa = N m-2 [M] [T] [L]-1
Bulk Modulus Pa = N m-2 [M] [T] [L]-1

Fluid Dynamics[edit]

density
pressure
pressure difference
pressure at depth
barometer versus manometer
Pascal's principle
Archimedes' Principle
buoyant force
gravitational force when floating
apparent weight
ideal fluid
equation of continuity constant
Bernoulli's Equation constant