*98. The rigid bcam is supported by the three suspenderbars. Bars AB and EF are made of aluminum and bar CD ismade of steel. If cach har has a cns-sectional area of 450 mm,determine the maximum value of Pif the allowable stress is(amla = 200 MPa for the steel and (oela= 150 MPa forthe aluminum. E=200 GPa, E = 70 GP[Fstla75 m0.75 m75 m0.75 m'2P

To find-: The maximum allowable value of P for both aluminum and steel bars. Given-: The maximum…

Answered: *98. The rigid bcam is supported by the…

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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The bar is connected to the support using a pin having a diameter of d =lin. If the allowable tensile stress for the bar is (o,)low = 20ksi , and the allowable bearing stress between the pin and the bar is (0,)allow = 30ksi , determine the dimension w and t so that the gross area of the cross section is wt = 2in² and the load P is a maximum. What is this maximum load? Assume the hole in the bar has the same diameter as the pin. (Hint: Use the prjjected area whenj calculating the bearing stress.) t d w/2 w/2
2. A replacement disc consists of the tube Cwith larger diameter of 4 cm, the cylindrical core B with the diameter of 2 cm and two relatively rigid discs on both ends. The disc replacement placed between vertebrae is under compressive force of 400N. The corresponding moduli of elasticity are Ec=10MPA and EB=20MPa. Determine the stress in the tube A and the core B. F Rigid parts 1cm C 2om 4cm F (Answer: OB = 509.3KPA, oc = 254.6KPA) 254.6KРа) %3D
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The joint is subjected to the axial member force of 6 kips. Determine the average normal stress acting on sections AB and BC. Assume the member is smooth and is 1.5 in thick. . Tip: You can determine the forces by making a FBD in a concurrent point. 1.5 in B 20⁰ 4.5 in. 6 kip 50⁰
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