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This work provides a detailed analysis of the dynamic effects associated with surface plasmons and Spoof Surface Plasmon Polaritons (SSPPs), including both established and novel results, as well as new interpretations. To support this, the forces resulting from reflection of these waves on a Perfect Electric Conductor (PEC), in air, are considered. Three examples in transverse magnetic polarization (TM) are evaluated: (1) the academic case of an interface between two homogeneous and isotropic media with sign changing permittivity (plasmonic) allowing to readily bring a new insight into the influence of plasmon slowdown and the different forces involved, (2) a second analytical case using homogenized SSPP in which corrugations are modeled by an anisotropic medium which allow us to make the parallel between the previous model with plasmons and SSPPs, and (3) numerical simulations of real corrugations which details how the properties obtained are, to a certain extent, reached or even intensified. These properties are that, in each scenario, compared to a simple plane wave in air, it appears that the force exerted by the surface plasmon and SSPP on the PEC are localized close to the interface and, for a given power, the slower the wave, the more intense the forces are. These waves, that pull the PEC, can therefore significantly exceed the radiation pressure of a plane wave. Finally, the prospects of this study are discussed