Answer to Question #24255 in Mechanics | Relativity for mohamed khairy

Question

a sheet of aluminum of thickness 20 mm is cut with vertical machine that have blade of length 10 cm and width 0.2 cm while cutting the blades each exert a force of 30 N on the sheet . the length of each blade that makes contact with the sheet is approximately 0.5 mm calculate the shear stress on the sheet???