That is, the increase in the kinetic energy of the electron is the product of the constant force f acting on it and the distance s the electron moved in the direction of \(\overrightarrow{\mathrm{f}}\...That is, the increase in the kinetic energy of the electron is the product of the constant force f acting on it and the distance s the electron moved in the direction of \(\overrightarrow{\mathrm{f}}\) while experiencing that force.