- 9 74 If The Box Wrench Is Subjected To The 50 Lb Force Determine The Principal Stresses And Maximum In Plane Shear Stre 1 (56.49 KiB) Viewed 17 times
9-74. If the box wrench is subjected to the 50 lb force determine the principal stresses and maximum in-plane shear stress at point A on the cross section of the wrench a section a-a. Specify the orientation of these states of stress and indicate the results on elements at the point. 9-75. If the box wrench is subjected to the 50-lb force determine the principal stresses and maximum in-plane shear stress at point B on the cross section of the wrench a section a-a. Specify the orientation of these states of stress and indicate the results on elements at the point. 12 in. 50 lb 2 in. 0.5 in. a a А В Section a-a otsis Probs. 9-74/75 *