The flat bar shown in the figure is subjected to tensile forces P = 3000 lb. The bar has thickness t =0.25 in.a) If the designer wants to make a stepped bar withshoulder fillets as shown in the figure, determineRthe maximum stresses for fillet radii R = 0.25 in.Pand R = 0.5 in. if the bar widths are b = 4.0 in. andc = 2.5 in.b) Comment on the relation between the stress andthe fillet radius each time it is increased.c) What is the factor of safety for each fillet radius if the part is made of cast iron Sut = 30 ksi?Solution:3.02.8D/d = 21.15D.2.61.52.42.2 -1.05O nom%3D%3Dtdк, 2.03.01.8 E1.6 E 1.011.4 E1.21.00.050.100.150.200.250.30r/d

In the question, there is a fillet of some radius is given in the bar. Thus there will be a factor…

Answered: The flat bar shown in the figure is…

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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2. Refer to the figure below. In addition to the load at point D, if another load Q (Q=10F) along x direction acts at the center of the right end section of bar OABC, solve for the maximum load F with a safety factor of 2.0 using the maximum shear stress theory. Find the stresses at the origin point O. Assume the yield strength of the steel is 42 kpsi with v=0.3. Hints: The centroid of a semicircle lies at a distance of 4r/(3) measured along the vertical radius (r) or y-direction. 2 in. 1-in D. -in R. 1-in D. 12 in 15 in 1-in D.
6

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