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Reference.org
Statically indeterminate
open-in-new
<p>In <a href="/facts/Statics/G536PfB9">statics</a> and <a href="/facts/Structural_mechanics/RbhbXjNT">structural mechanics</a>, a structure is statically indeterminate when the <a href="/facts/Mechanical_equilibrium/N2XKaK6s">equilibrium</a> equations – force and moment equilibrium conditions – are insufficient for determining the <a href="/facts/Internal_forces/peFd780j">internal forces</a> and <a href="/facts/Reaction_(physics)/g2rCCqwq">reactions</a> on that structure. </p>