Home/Basic Physics/Work, energy and power/Energy with non-conservative forces6. Work, energy and powerEnergy with non-conservative forcesIn 6. Work, energy and powerFormulaCopy LaTeXKi+Ui+Wnc=Kf+UfK_i+U_i+W_{\text{nc}}=K_f+U_fKi+Ui+Wnc=Kf+UfEquivalentlyCopy LaTeXΔEmec=Wnc\Delta E_{\text{mec}}=W_{\text{nc}}ΔEmec=WncTagsenergyphysicsphysics formulaworkwork energy powerDetailThe work of non-conservative forces equals the change in mechanical energy.Explore the ideaExplore the ideaFound an error? Contact us.Related formulasRelatedConservation of mechanical energyKi+Ui=Kf+UfK_i+U_i=K_f+U_fKi+Ui=Kf+UfOpen formulaOpen in sectionRelatedWork of kinetic frictionWf=−fkdW_f=-f_kdWf=−fkdOpen formulaOpen in section