ocr: POOHBEAR SOIL - LAYERING Poolibear Cloddy Sit shear strength - ur nni shullea LM Tan(Traction Angle) = L "AST nnil Lhr LMw normal stress d Linuar Fitt be Lhar LM Linur Fitte Shulea LM - Shear strength derived from wheel torques (from currents) S and calculated contact area. :U Poohbear visually distinct soils exhibit de different mechanical properties. e d e Lepchirane, Timel Profile of Sinkage (Poohbear Driftoffeet) Poolibear Drift Site 15 2r nni shulew LM a - nnil Lhar LM d - Jeddy Lhar -a Linuar Fit - J "$ Linur Fitt be Shullea LMa DS dlou tibi Linur Fitt be Lhar LMw I - Uhrt tibi- -12r nn ...