# Shared Flashcard Set

## Details

Physics: All equations
Physics: All equations
26
Physics
Not Applicable
04/22/2013

Term
 distance travelled time taken average speed
Definition
 average speed = distance travelled/ time taken v = d/t
Term
 time taken change in velocity acceleration
Definition
 acceleration = change in velocity/ time taken        a = (v-u)/t
Term
 mass force acceleration
Definition
 force = mass x acceleration   F = ma
Term
 gravitational field strength weight mass
Definition
 weight = mass x gravitational field strength   w = m x gfs
Term
 velocity mass  momentum
Definition
 momentum = mass x velocity   p = mv
Term
 perpendicular distance from pivot moment force
Definition
 moment = force x perpendicular distance from pivot   moment = F x d
Term
 sum of anticlockwise moment sum of clockwise moment
Definition
 sum of anticlockwise moment = sum of clockwise moment
Term
 power current voltage
Definition
 power = current x voltage     p = I x V
Term
 power time energy
Definition
 energy = power x time E = p x t
Term
 time energy voltage current
Definition
 energy = current x voltage x time   E = I x V x t
Term
 current charge  time
Definition
 charge = current x time   Q = I x t
Term
 resistance current voltage
Definition
 voltage = current x resistance V = I x R
Term
 frequency wavelength wave speed
Definition
 wave speed = frequency x wavelength   v = f x λ
Term
 law of reflection: angle of incidence = angle of reflection
Definition
 law of reflection: angle of incidence = angle of reflection
Term
 Refractive Index:  sin i = sin angle of incidence sin r = angle of refraction)
Definition
 n = sin i/sin r
Term
 Angle of total internal reflection
Definition
 n = 1/sin c
Term
 efficiency = useful energy output from system/ total energy output into system x 100
Definition
 efficiency = useful energy output          ---------------------------------- x100 total energy output
Term
 distance force work
Definition
 work = force x distance     w = F x d
Term
 GPE mass  gravitational field strength height
Definition
 GPE = mass x gravitational field strenght x height GPE = m x g x h
Term
 KE mass speed
Definition
 KE = ½ mass x speed² KE = ½mv²
Term
 work done power  time taken
Definition
 power = work done/ time taken   P = W/t
Term
 density mass volume
Definition
 density = mass/ volume    p = m/v
Term
 force pressure    area
Definition
 pressure = force/ area p  = F/A
Term
 pressure difference height  density  gravity
Definition
 pressure difference = height x density  x gravity p = h x p x g  (in liquids)
Term
 Pressure is proportional to absolute temperature
Definition
 P1/T1 = P2/T2 USE KELVIN
Term
 primary turns primary voltage     secondary turns secondary voltage
Definition
 primary turn ÷ primary voltage =     secondary turns÷ secondary voltage Vp/Vs = c1/c2
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