3. A rigid bar of negligible weight is supported as shown in the figure. If W = 80 kN, compute the temperature change that will cause the stress in the steel rod to be 55 MPa. Assume the coefficients of linear expansion are 11.7 μm/(m*°C) for steel and 18.9 μm/ (m.°C) for bronze. (Practice at Home) Steel L = 1.5 m A-320 mm² 1m-E-200 GPa 2.5 m Bronze L-3m A-1300 mm² E-83 GPa W 1.5 m

3. A rigid bar of negligible weight is supported as shown in the figure. If W = 80 kN, compute the temperature change that will cause the stress in the steel rod to be 55 MPa. Assume the coefficients of linear expansion are 11.7 μm/(m*°C) for steel and 18.9 μm/ (m.°C) for bronze. (Practice at Home) Steel L = 1.5 m A-320 mm² 1m-E-200 GPa 2.5 m Bronze L-3m A-1300 mm² E-83 GPa W 1.5 m

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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TEST YOUR UNDERSTANDING! Problem 1 Four wires support the rigid members CD and AB. If a 500-lb load is applied at point I, determine the angle of tilt of AB and the displacement of point A. The members were originally horizontal, each wire has a cross-sectional area of 0.5 in² and E = 29 x 106 psi. (Taken from Hibbeler, 2015) Follow these questions for your solution: 1. Draw the FBDs of bar CD and bar AB. What are the forces in the wires? Problem 2 The horizontal rigid bar is supported by bars A and B and a pin support. If the system is loaded by P₁ and P2, what would be the vertical displacement of the point of application of P₁? Follow these questions for your solution: 1) Draw the FBDs needed. What is the normal force in bar A? in bar B? 2) Draw the deformation diagram. What compatibility equation would you use to determine the displacement of the point of application of P₁? How did the horizontal bar tilt? Answer to Test your understanding box 1 Problem 1: E Problem 2: D THA 1.8 ft…
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