statics
n . 静力学
静力学
statics n 1 :
the branch of mechanics concerned with forces in equilibrium Mechanics \
Me *
chan "
ics \,
n . [
Cf .
F .
m ['
e ]
canique .]
That science ,
or branch of applied mathematics ,
which treats of the action of forces on bodies .
[
1913 Webster ]
Note :
That part of mechanics which considers the action of forces in producing rest or equilibrium is called {
statics };
that which relates to such action in producing motion is called {
dynamics }.
The term mechanics includes the action of forces on all bodies ,
whether solid ,
liquid ,
or gaseous .
It is sometimes ,
however ,
and formerly was often ,
used distinctively of solid bodies only :
The mechanics of liquid bodies is called also {
hydrostatics },
or {
hydrodynamics },
according as the laws of rest or of motion are considered .
The mechanics of gaseous bodies is called also {
pneumatics }.
The mechanics of fluids in motion ,
with special reference to the methods of obtaining from them useful results ,
constitutes {
hydraulics }.
[
1913 Webster ]
{
Animal mechanics } (
Physiol .),
that portion of physiology which has for its object the investigation of the laws of equilibrium and motion in the animal body .
The most important mechanical principle is that of the lever ,
the bones forming the arms of the levers ,
the contractile muscles the power ,
the joints the fulcra or points of support ,
while the weight of the body or of the individual limbs constitutes the weight or resistance .
{
Applied mechanics },
the principles of abstract mechanics applied to human art ;
also ,
the practical application of the laws of matter and motion to the construction of machines and structures of all kinds .
{
orbital mechanics },
the principles governing the motion of bodies in orbit around other bodies under gravitational influence ,
such as artificial Earth satellites .
[
1913 Webster PJC ]
Statics \
Stat "
ics \ (-[
i ^]
ks ),
n . [
Cf .
F .
statique ,
Gr .
statikh `
the art of weighing ,
fr .
statiko `
s .
See {
Static }.]
That branch of mechanics which treats of the equilibrium of forces ,
or relates to bodies as held at rest by the forces acting on them ; --
distinguished from {
dynamics }.
[
1913 Webster ]
{
Social statics },
the study of the conditions which concern the existence and permanence of the social state .
[
1913 Webster ]
49 Moby Thesaurus words for "
statics ":
Newtonian physics ,
acoustics ,
aerophysics ,
aerostatics ,
applied physics ,
astrophysics ,
basic conductor physics ,
biophysics ,
biostatics ,
chemical physics ,
cryogenics ,
crystallography ,
cytophysics ,
dynamics ,
electron physics ,
electronics ,
electrophysics ,
electrostatics ,
geophysics ,
gyrostatics ,
hydrostatics ,
macrophysics ,
mathematical physics ,
mechanics ,
medicophysics ,
microphysics ,
natural philosophy ,
natural science ,
nuclear physics ,
optics ,
philosophy ,
physic ,
physical chemistry ,
physical science ,
physicochemistry ,
physicomathematics ,
physics ,
psychophysics ,
radiation physics ,
radionics ,
rheostatics ,
solar physics ,
solid -
state physics ,
stereophysics ,
stereostatics ,
theoretical physics ,
thermodynamics ,
thermostatics ,
zoophysics
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