EntityQ12714444· pop 7· linked from 106 articleselastic pendulumSign in to savea swinging pendulum that is also elasticConnectionsordinary differential equationEntitydynamical systemEntityDuffing equationEntitymathematicsEntityphysicsEntityenergyEntitygravityEntityInternational Standard Book NumberEntityvelocityEntityHenri PoincaréEntitydigital object identifierEntitynumerical analysisEntitykinetic energyEntitypotential energyEntityfractalEntityBenoit MandelbrotEntityspringEntityangular momentumEntitychaos theoryEntitygravitational accelerationEntityCategoriesChaotic mapsDynamical systemsMathematical physicsPendulums