equilibrium
tension
stasis
isostatic
free state
statics
vis a tergo
perpetual motion
disequilibrium
balance
shear
enantiodromia
superlubricity
stiction
knife-edge
impetus
resistance
wheel
drift
impulsion
collisionlessness
push
pushing
counterforce
pressure
elasticotaxis
deadlock
interfriction
couple
self-motion
Newton's first law
gravity
Newton's first law of motion
redisposition
redeployment
net force
first law of motion
rotatory joint
pivot joint
breakout force
knuckle joint
rotary joint
strong nuclear interaction
field of force
friction
hinge joint
articulatio trochoidea
collision course
harmonic motion
propulsion