The average normal stress in rod AB if the load has a mass of 50 kg. The diameter of rod AB is 8 mm.by Sky Determine the average normal stress in rod AB if the load has a mass of 50 kg. The diameter of rod AB is 8 mm. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Name * Email * Website Comment * Save my name, email, and website in this browser for the next time I comment.