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. Author manuscript; available in PMC: 2019 May 16.
Published in final edited form as: IIE Trans Occup. 2014 Nov 24;2(2):53–59. doi: 10.1080/21577323.2014.919367

FIGURE 2.

FIGURE 2

Representative forces and sliding speeds from a slip test. In the top graph, Fz is the normal force, Fy is the shear force in the slipping direction, and Fx is the shear force perpendicular to the slipping direction.