A simple torsion-bar spring is shown. The shear stress in the steel [G= 11,500 ksi] shaft is not to exceed 11400 psi, and the vertical deflection of joint D is not to exceed 0.475 in. when a load of P = 2700 lb is applied. Neglect the bending of the shaft and assume that the bearing at C allows the shaft to rotate freely. Determine the minimum diameter required for the shaft. Use dimensions of a = 68 in., b = 24 in., and c = 30 in. a b Answer: d= P in. B
A simple torsion-bar spring is shown. The shear stress in the steel [G= 11,500 ksi] shaft is not to exceed 11400 psi, and the vertical deflection of joint D is not to exceed 0.475 in. when a load of P = 2700 lb is applied. Neglect the bending of the shaft and assume that the bearing at C allows the shaft to rotate freely. Determine the minimum diameter required for the shaft. Use dimensions of a = 68 in., b = 24 in., and c = 30 in. a b Answer: d= P in. B
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A simple torsion-bar spring is shown. The shear stress in the steel [G = 11,500 ksi] shaft is not to exceed 11400 psi, and the vertical deflection of joint D is not to exceed 0.475 in. when a load of P = 2700 lb is applied. Neglect the bending of the shaft and assume that the bearing at C allows the shaft to rotate freely. Determine the minimum diameter required for the shaft. Use dimensions of a = 68 in., b = 24 in., and c = 30 in.
![A simple torsion-bar spring is shown. The shear stress in the steel [G = 11,500 ksi] shaft is not to exceed
11400 psi, and the vertical deflection of joint D is not to exceed 0.475 in. when a load of P = 2700 lb is applied.
Neglect the bending of the shaft and assume that the bearing at C allows the shaft to rotate freely. Determine
the minimum diameter required for the shaft. Use dimensions of a = 68 in., b = 24 in., and c = 30 in.
b
Answer:
d =
D
in.
B](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4b9298ea-8b91-482e-9272-fa743bf090cf%2Ff445cb1c-14a7-4af9-821c-cb12fa7ef1c9%2Fvdmkejp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A simple torsion-bar spring is shown. The shear stress in the steel [G = 11,500 ksi] shaft is not to exceed
11400 psi, and the vertical deflection of joint D is not to exceed 0.475 in. when a load of P = 2700 lb is applied.
Neglect the bending of the shaft and assume that the bearing at C allows the shaft to rotate freely. Determine
the minimum diameter required for the shaft. Use dimensions of a = 68 in., b = 24 in., and c = 30 in.
b
Answer:
d =
D
in.
B
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