Question: A 3 8 in class 5 cap screw and steel washer
A 3/8 -in class 5 cap screw and steel washer are used to secure a cap to a cast-iron frame of a machine having a blind threaded hole. The washer is 0.065 in thick. The frame has a modulus of elasticity of 14 Mpsi and is ¼ in thick. The screw is 1 in long. The material in the frame also has a modulus of elasticity of 14 Mpsi. Find the stiff nesses kb and km of the bolt and members.
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