PHYSICS EQUATIONS

FORCES AND MOTION: average speed
average speed = distance moved / time
1 of 31
FORCES AND MOTION: acceleration
acceleration = change in velocity / time taken ; a = (v-u)/t
2 of 31
FORCES AND MOTION: unbalanced force
F=ma
3 of 31
FORCES AND MOTION: weight
W=mg
4 of 31
FORCES AND MOTION: momentum, mass and velocity
p=mv
5 of 31
FORCES AND MOTION: force, change in momentum and time taken
force = change in momentum / time taken
6 of 31
FORCES AND MOTION: moment
m=fd
7 of 31
FORCES AND MOTION: Hooke's law
f is proportional to e
8 of 31
FORCES AND MOTION: astronomy
orbital speed = 2пr / T
9 of 31
ELECTRICITY: mains - power
P = IV
10 of 31
ELECTRICITY: mains - energy transferred
E = IVt
11 of 31
ELECTRICITY: energy and p.d. in circuits
V = IR
12 of 31
ELECTRICITY: mains - charge
Q = It
13 of 31
WAVES: wave speed
wavespeed = frequency x wavelength
14 of 31
WAVES: frequency and time period
f = 1 / t
15 of 31
WAVES: light - refractive index
n = sin i / sin r
16 of 31
WAVES: light - critical angle and refractive index
sin c = 1 / n
17 of 31
ENERGY: transfer - efficiency
efficiency = useful energy output / total energy input
18 of 31
ENERGY: work and power - work done
W = fd
19 of 31
ENERGY: work and power - GPE
GPE = mgh
20 of 31
ENERGY: work and power - kinetic energy
KE = 0.5mv ²
21 of 31
ENERGY: work and power - power and work done
P = W / t
22 of 31
SOLIDS, LIQUIDS AND GASES: density
density = mass / volume
23 of 31
SOLIDS, LIQUIDS AND GASES: pressure
p = F / A
24 of 31
SOLIDS, LIQUIDS AND GASES: pressure difference
pressure = height x density x g
25 of 31
SOLIDS, LIQUIDS AND GASES: pressure and temperature - gas
p1 / T1 = p2 / T2
26 of 31
SOLIDS, LIQUIDS AND GASES: pressure and volume - gas
p1V1 = p2V2
27 of 31
ELECTROMAGNETISM: electromagnetic induction - voltages and turns in a transformer
input (primary) voltage / output (secondary) voltage = primary turns / secondary turns; Vp / Vs = np / ns
28 of 31
ELECTROMAGNETISM: electromagnetic induction - input power for 100% efficiency
input power = output power; VpIp = VsIs
29 of 31
RADIOACTIVITY: alpha decay
atomic number -2, mass number -4, + helium
30 of 31
RADIOACTIVITY: beta decay
mass number +1, + electron
31 of 31

Other cards in this set

Card 2

Front

acceleration = change in velocity / time taken ; a = (v-u)/t

Back

FORCES AND MOTION: acceleration

Card 3

Front

F=ma

Back

Preview of the back of card 3

Card 4

Front

W=mg

Back

Preview of the back of card 4

Card 5

Front

p=mv

Back

Preview of the back of card 5
View more cards

Comments

No comments have yet been made

Similar Physics resources:

See all Physics resources »See all EQUATIONS resources »