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Physics Formula SheetMechanics
Electricity
Geometry
Trigonometry
v = v0 + at
x = x0 + vx0t + axt212
Variables
a = acceleration
A = amplitude
d = distance
E = energy
ƒ = frequency
F = force
I = rotational inertia
KE = kinetic energy
k = spring constant
L = angular momentum
ℓ = length
m = mass
P = power
p = momentum
r = radius
T = period
t = time
PE = potential energy
V = volume
v = velocity
w = width
W = work
x = position
y = height
h = height
α = angular acceleration
µ = coefficient of friction
λ = wavelength
ν = wave speed
θ = angle
ρ = density
ρ = resistivity
τ = torque
ω = angular speed
A = Area
C = circumference
q = charge
I = current
R = resistance
V = electric potential
S = surface area
b = base length
vx - vx0 = 2a(x - x0)22
a = ΣFm
Fnet
m=
α = ΣτI
τnet
I=
p = mv
Ffriction FNormal≤ µ
= mgFgravity
x= kFspring
∆p = F∆t
12
2KE = mv
∆E = W = Fdcosθ
I =∆q∆t
R =ρ ℓA
ac =2v
r
12
2θ = θ0 + ω0t + αt
ω = ω0 + αt
x = Acos(2πƒt)
τ = r × F
∆PE = mg∆y L = I ω
∆L = τ∆t 12
2I ωKE =
12
2PEspring = kx
mVρ =
2πω
1ƒ
T = =
= GFgravity 2rm1m2
= kFE 2rq1q2
PEgravity = -G rm1m2
gℓTpendulum = 2π
kmTspring = 2π
ν = ƒλ
∆V = IR
P = I ∆V
Rseries = R1 + R2 + ... + Rn RParallel
1R1
1R2
1Rn
1+ + ... +=
C = 2πr
Rectangular Solid V = ℓwh
Cylinder 2V = πr ℓ2S = 2πrℓ + 2πr
Sphere 43
3V = πrCircle 2A = πr2S = 4πr
12A = bhRectangle A = bh Triangle
θa
b
c222c = a + b sinθ = a
c cosθ = bc tanθ = a
b
1
1
1
1
0
0
0
∞3
2 / 2
2 / 23 / 2
3 / 2
3 / 3
4 / 5
4 / 53 / 5
3 / 5
1 / 2
1 / 2
3 / 4
0° 30° 37° 45° 53° 60° 90°θ
sinθ
cosθ
tanθ