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Mechanical vibrations
Physical pendulum
vibration period
T =
s
x
ps
ns
μs
ms
s
min
h
d
y
moment of inertia of solid relatively to axis going through point A
J
A
=
kg·m
2
x
kg·m
2
solid mass
m =
kg
x
μg
mg
g
kg
q
t
u
pood
lb
gravitational acceleration
g =
9.81
m/s
2
distance from suspension point A to its center of mass O
s =
m
x
Å
nm
μm
mm
cm
dm
m
km
n mile
in
ft
yd
1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"