EntityQ1132926· pop 10· linked from 124 articlesOn shell and off shellSign in to saveconfigurations of a system that do or do not satisfy classical equations of motionConnectionsphysicsEntityenergyEntityInternational Standard Book NumberEntityspeed of light in vacuumEntityclassical mechanicsEntitydigital object identifierEntitymomentumEntityStandard ModelEntitystring theoryEntityquantum field theoryEntityantiparticleEntityQ180686EntityTaylor seriesEntitybibcodeEntityQ118398Entityquantum electrodynamicsEntityconservation lawEntityQ229883Entityquantum chromodynamicsEntityquantum gravityEntityCategoriesQuantum field theory