Let us allow the permissible value of stress in tension σt=100 N/mm2
{"Image DocumentName": "Let us allow the permissible value of stress in tension \u03c3t=100 N/mm2", "Image ImageDescription": "From similar triangles. \u03c3c / \u03c3t = 88.89/ \u03c3c / 100= 88.89/ \u03c3c mm mm. \u03c3t. \uf05c \u03c3c =47.762N/mm2 < 50 Hence safe. The actual extreme fibre stress values are \u03c3c = N/mm2 & \u03c3t = 100 N/mm2.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}