静力平衡 jìnglìpínghéng static equilibrium Origin Definitions Defs Strokes Stroke Words Sentences Sents 静 靜 jìng adjective still stationary; not moving; at rest力 lì noun force physical force that changes the motion or shape of an object平衡 pínghéng noun balance balance or equilibrium; to be balanced or in a state of equilibrium where opposing forces or weights cancel each other out