4. A central horizontal section of a hook is symmetrical trapezium 90 mm deep. The inner widthbeing 90 mm and outer being 45 mm. The hook carries a load of 67.5 kN, the load line passes ata distance of 40 mm from the inside edge of the section, The centre of curvature is in the loadline. Calculate the extreme intensities of stress. Also plot the stress distribution across the section.[Ans. (0,), = 53.15 N/mm? (comp) and (o), = 106.5 N/mm2 (tensile)}5. A central horizontał section of a hook is a symmetrical trapezium of inner width = 67.5 mm andof outer width = 22.5 mm. The depth of the section is 90 mm. The hook carries a load of 37.5 kN.The load line passes through the centre of curvature. The radius of the hook is 52.5 mm. Deter-mine the maximum compressive and tensile stresses in the section of the hook.LAns ) 83 70 MN/m2 (tensile) and ü) 43 2 MN/m2 (compil

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4. A central horizontal section of a hook is symmetrical trapezium 90 mm deep. The inner width being 90 mm and outer being 45 mm. The hook carries a load of 67.5 kN, the load line passes at a distance of 40 mm from the inside edge of the section. The centre of curvature is in the load line. Calculate the extreme intensities of stress. Also plot the stress distribution across the section. [Ans. (0,), = 53.15 N/mm² (comp) and (o), = 106.5 N/mm² (tensile)} uidth

4. A central horizontal section of a hook is symmetrical trapezium 90 mm deep. The inner width being 90 mm and outer being 45 mm. The hook carries a load of 67.5 kN, the load line passes at a distance of 40 mm from the inside edge of the section. The centre of curvature is in the load line. Calculate the extreme intensities of stress. Also plot the stress distribution across the section. [Ans. (0,), = 53.15 N/mm² (comp) and (o), = 106.5 N/mm² (tensile)} uidth

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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