A wooden rod is loaded axially in compression. The rod has a square cross section of side length, s. Determine the normal stress and shear stress acting on plane b-b oriented parallel to the wood grain. Show all stresses on a stress element oriented along the plane. s 3 in F 2400 l 0 35 -e Ans: Ơnormal to plane"-87.7 psi Ton plane --125 psi