2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/215015We present a preliminary calculation of the electromagnetic form factors of $^3$He and $^3$H, performed within the Light-Front Hamiltonian Dynamics. Relativistic effects show their relevance even at the static limit, increasing at higher values of momentum transfer, as expected.6 pages, 4 figures. Proceedings of 20th European Conference on Few-Body Problems in Physics; to be published in Few-Body SystemsNuclear TheoryRelativistic Hamiltonian Dynamics and Few-Nucleon Systemstext