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. 2006 Dec 5;103(51):19320–19325. doi: 10.1073/pnas.0608841103

Fig. 6.

Fig. 6.

Total normal adhesion force Fn(θ) (a) and total lateral force FL(θ) (b) of a single spatula, and the contributions from FvdW and Ff to the them as given by Eqs. 19 and 20. Note that, according to Eqs. 9 and 10, Ff = FvdW/tan θ.