Physics/Math Flashcards
Pascals principle
pressure applied to an incompressible fluid will be distributed throughout entire volume of fluid
Archimedes principle
any body submerged in a fluid at rest is acted upon by a buoyant force which is equal to the weight of the liquid
Heat of transformation/ latent heat
heat released or absorbed for a phase change (temperature-constant)
Sublimation
solid to gas
Deposition
gas to solid
Vaporization
liquid to gas
Condensation
gas to liquid
Fusion/ Melting
solid to liquid
Freezing
liquid to solid
Poiseulle’s law
rate of laminar flow
Continuity equation
conservation of mass with fluid dynamics (Q=vA=vA)
Bernouilli’s equation
conservation of energy for a flowing fluid
Absolute pressure
sum of all pressures at a certain point within a fluid (pressure of the fluid + ambient pressure)
Gauge pressure
difference between absolute pressure and atmospheric pressure
Venturi effect
inverse relationship between pressure and speed, proportional relationship between cross sectional area and pressure
Equipotential lines
the set points around a charge that have the same electric potential
Diamagnetic materials
no unpaired electrons, slightly repelled by magnetic
Paramagnetic materials
some unpaired electrons, become weakly magnetic in an external magnetic field
Ferromagnetic materials
some unpaired electrons, become strongly magnetic in an external magnetic field
Lorentz force
sum of magnetic and electrostatic forces acting on a body
Kirchoff’s junction rule
sum of currents directed into a point equals the sum of the currents directed away from the point
Kirchoff’s loop rule
in a closed loop, the sum of voltage sources is always equal to the sum of voltage drops
Resistance
opposition to the movement of electrons through a material
Ohm’s law
V=IR