Subjects/Basic Physics/Equilibrium and elasticity/First equilibrium condition9. Equilibrium and elasticityFirst equilibrium conditionIn 9. Equilibrium and elasticityFormulaCopy LaTeX∑F=0Related formulasRelatedNewton's first law∑F=0⟹a=0Open formulaOpen in sectionRelatedSecond equilibrium condition∑τ=0Open formulaOpen in section