Lorentz force per charge acting on the bulk of the solar wind protons of a cut through y = 0 for the comet at 2.35 au, case 5. The solar wind proton bulk velocity is given as a vector field a). The force acting perpendicular to the solar wind bulk velocity, v_H⁺, deflects the solar wind protons a), where a positive value is taken as counter-clockwise gyration by convention. The force parallel to the solar wind bulk velocity changes the solar wind speed b), where a positive value results in a deceleration. The ambient convective electric field is 0.85 V/km. The location of the comet nucleus is marked by black cross-hairs.