Consider a bar having the following properties, a = 6.6x10-06/°F, E = 29x100 psi, having a diameter of 0.25 in and length 2 ft is fixed from one end and other end is attached to a spring as shown below: mm The spring constant is k=1000 lb/in, the temperature is raised by 40°F. Find the force developed in the bar a) 6.23 lb
b) 10.29 lb
c) 0 lb
d) 2.33 lb
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