6. Three wires are used to support the 150-lb force. The wires AB and AC are made of steel, and wire AD is made of copper. Assume that the three wires have constant cross-sectional area A = 0.0123 in?. For steel wire, a = 8 x 10* in/ (in'F ) and E = 29000 ksi and for copper wire, a = 9.6 x 10 in/ (in°F ) and E = 17000 ksi. Calculate the axial force exerted by the three wires if the temperature is raised by 80°F. Answer: P = 10 Ib, Pa= 136 Ib HD 40 in. 60 in. 45 45° 60 in. V150 lb

6. Three wires are used to support the 150-lb force. The wires AB and AC are made of steel, and wire AD is made of copper. Assume that the three wires have constant cross-sectional area A = 0.0123 in?. For steel wire, a = 8 x 10* in/ (in'F ) and E = 29000 ksi and for copper wire, a = 9.6 x 10 in/ (in°F ) and E = 17000 ksi. Calculate the axial force exerted by the three wires if the temperature is raised by 80°F. Answer: P = 10 Ib, Pa= 136 Ib HD 40 in. 60 in. 45 45° 60 in. V150 lb

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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Concept explainers

Buckling of columns

The column is described as a vertical member of the structure that carries an axial compressive load, and buckling is a lateral deformation of the column under the application of load.

Question

6. Three wires are used to support the 150-lb force. The wires AB and AC are made of steel, and wire
AD is made of copper. Assume that the three wires have constant cross-sectional area A = 0.0123 in?.
For steel wire, a = 8 x 10 in/ (in°F ) and E = 29000 ksi and for copper wire, a = 9.6 x 10 in/ (in°F ) and E
= 17000 ksi. Calculate the axial force exerted by the three wires if the temperature is raised by 80°F.
Answer: Pu= 10 Ib, Pu= 136 Ib
40 in.
60 in.
45°.
-45°
60 in.
V150 Ib

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