7-37. Determine the average normal stress in each of the20-mm-diameter bars of the truss. Set P-40 kN.1.5 m

Answered: 7-37. Determine the average normal…

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 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
The bars of the truss each have a cross-sectional area of 1.25 in2. Determine the average normal stress in members AB, BD, and CE due to the loading P = 6 kip. State whether the stress is tensile or compressive.
Determine the shortest distance d to the edge of the plate at which the force P can be applied so that it produces no compressive stresses in the plate at section a–a. The plate has a thickness of 10 mm and P acts along the centerline of this thickness.
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The uniform sign has a weight of 1500 lb and is supported by the pipe AB, which has an inner radius of 2.75 in. and an outer radius of 3.00 in. If the face of the sign is subjected to a uniform wind pressure of p = 150 lb/ft2, determine the state of stress at points Cand D. Show the results on a differential volume element located at each of these points. Neglect the thickness of the sign, and assume that it is supported along the outside edge of the pipe. 6 ft 3 ft 上 A B x 12 ft 150 lb/ft²
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The beveled gear is subjected to the loads shown.Determine the stress components acting on the shaftat point B, and draw the results on a stress elementat this point. The shaft has a diameter of 1 in. and isfixed to the wall at C. A = 0.7854 in2 J = 0.098175 in4 I = 0.049087 in4 (QB)z = 0 (QB)x = 0.0833 in3

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7-37. Determine the average normal stress in each of the 20-mm-diameter bars of the truss. Set P-40 kN. 1.5 m