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Classical mechanics
SI units
Linear/translational quantities
Angular/rotational quantities
Dimensions
1
L
L
2
Dimensions
1
θ
θ
2
T
time
:
t
s
absement
:
A
m s
T
time
:
t
s
1
distance
:
d
,
position
:
r
,
s
,
x
,
displacement
m
area
:
A
m
2
1
angle
:
θ
,
angular displacement
:
θ
rad
solid angle
:
Ω
rad
2
, sr
T
−1
frequency
:
f
s
−1
,
Hz
speed
:
v
,
velocity
:
v
m s
−1
kinematic viscosity
:
ν
,
specific angular momentum
:
h
m
2
s
−1
T
−1
frequency
:
f
,
rotational speed
:
n
,
rotational velocity
:
n
s
−1
,
Hz
angular speed
:
ω
,
angular velocity
:
ω
rad
s
−1
T
−2
acceleration
:
a
m s
−2
T
−2
rotational acceleration
s
−2
angular acceleration
:
α
rad
s
−2
T
−3
jerk
:
j
m s
−3
T
−3
angular jerk
:
ζ
rad
s
−3
M
mass
:
m
kg
weighted position:
M
⟨
x
⟩ = ∑
m
x
ML
2
moment of inertia
:
I
kg
m
2
MT
−1
Mass flow rate
:
m
˙
{\displaystyle {\dot {m}}}
kg
s
−1
momentum
:
p
,
impulse
:
J
kg
m s
−1
,
N s
action
:
𝒮
,
actergy
:
ℵ
kg
m
2
s
−1
,
J s
ML
2
T
−1
angular momentum
:
L
,
angular impulse
:
Δ
L
kg
m
2
s
−1
action
:
𝒮
,
actergy
:
ℵ
kg
m
2
s
−1
,
J s
MT
−2
force
:
F
,
weight
:
F
g
kg
m s
−2
,
N
energy
:
E
,
work
:
W
,
Lagrangian
:
L
kg
m
2
s
−2
,
J
ML
2
T
−2
torque
:
τ
,
moment
:
M
kg
m
2
s
−2
,
N m
energy
:
E
,
work
:
W
,
Lagrangian
:
L
kg
m
2
s
−2
,
J
MT
−3
yank
:
Y
kg
m s
−3
, N s
−1
power
:
P
kg
m
2
s
−3
,
W
ML
2
T
−3
rotatum
:
P
kg
m
2
s
−3
, N m s
−1
power
:
P
kg
m
2
s
−3
,
W
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