| Mechanical quantities |
| Name | Symbol |
| Weight |
G, P, W |
| Time |
t |
| Height |
h |
| Pressure |
p |
| Diameter |
d |
| Length |
l |
| Path length |
s |
| Amount of substance |
ν, n |
| Momentum |
p |
| Stiffness coefficient |
k |
| Safety factor |
k, n |
| Efficiency |
η |
| Coefficient of rolling friction |
k |
| Coefficient of sliding friction |
μ, f |
| Mass |
m |
| Mass of an atom |
ma |
| Mass of an electron |
me |
| Stress |
σ
|
| Elastic modulus (Young’s modulus) |
E |
| Torque |
M |
| Power |
P, N |
| Volume, capacity |
V, ν |
| Oscillation period |
T |
| Density |
ρ |
| Area |
A, S |
| Surface tension |
σ, γ |
| Gravitational constant |
G |
| Ultimate strength |
σult |
| Work |
W, A, L |
| Radius |
r |
| Force, gravitational force |
F, Q, R |
| Linear velocity |
v, u, c |
| Angular velocity |
ω
|
| Thickness |
d |
| Linear acceleration |
a |
| Acceleration of free fall |
g |
| Frequency |
ν, f |
| Rotation frequency |
n |
| Width |
b |
| Energy |
E, W |
| Kinetic energy |
Ek, T, K |
| Potential energy |
Ep, V |