2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/107913Dissipative Lagrangians and Hamiltonians having Coulomb, viscous and quadratic damping,together with gravitational and elastic terms are presented for a formalism that preserves the Hamiltonian as a constant of the motion. Their derivations are also shown. The resulting L's and H's may prove useful in exploring new types of damped quantum systems.7 pages LaTEX fileClassical PhysicsGeneral Physicstext