Table 2 Values of some interaction forces.

\({F}_{{\rm{wps}}}\)

\({F}_{{\rm{wps}}}=\frac{{A}_{132}R}{6{z}^{2}}\) ^19,20,21,48

\(1.06\times {10}^{4}\)

pN

\({F}_{{\rm{eps}}}\)

\({F}_{{\rm{eps}}}=-2R\varepsilon \kappa \frac{[{{\varphi }_{1}}^{2}+{{\varphi }_{2}}^{2}-2{\varphi }_{1}{\varphi }_{2}\exp (\kappa z)]}{[\exp (2\kappa z)-1]}\) ^19,20,21,49

\(-3.65\times {10}^{3}\)

pN

\({F}_{{\rm{d}}}\)

\({F}_{{\rm{d}}}=6\pi R\eta u\) ^42,42

\(0.17\)

pN

\({F}_{{\rm{S}}}\)

\({F}_{{\rm{S}}}=2\pi R{\gamma }_{{\rm{lv}}}\,\cos \,\varphi \) ²⁴