41. The wide-flange I beam as shown is 20 ft. long. It is fixed at one endand free at the other. A twisting moment of 30,000 lb-in. is applied atthe free end. If E=30×10° psi and G =12x10° psi, compute themaximum normal and shearing stresses due to bending and themaximum shearing stress due to twist. What is the angle of twist of thebeam at the free end?10.5"1.368"0.845"10"prob 41

Given that, I=30,000 lb·in,E=30×106 psi,G=12×106 psi,T=30,000 lb·in,L=20 ft, The given I-section…

. The wide-flange I beam as shown is 20 ft. long. It is fixed at one end and free at the other. A twisting moment of 30,000 lb-in. is applied at the free end. If E = 30×10° psi and G=12×10° psi, compute the maximum normal and shearing stresses due to bending and the maximum shearing stress due to twist. What is the angle of twist of the beam at the free end?

. The wide-flange I beam as shown is 20 ft. long. It is fixed at one end and free at the other. A twisting moment of 30,000 lb-in. is applied at the free end. If E = 30×10° psi and G=12×10° psi, compute the maximum normal and shearing stresses due to bending and the maximum shearing stress due to twist. What is the angle of twist of the beam at the free end?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Combined Loading

Any functioning component, such as machine parts, structural members, pressure vessels, and so on, are all under the influence of more than one force. When anybody is under the influence of more than one force such as shear forces, bending moments, axial forces, torsion, and so on, then such body is said to be under combined loading. A very practical example of combined loading is the crankshaft of an internal combustion engine (IC engine). The crankshaft of the IC engine is under high rpm, which is caused due to the torsional forces. Due to the presence of piston, counterbalances, and internal imbalances, the crankshaft experiences lateral forces and due to the rise in temperature, the crankshaft undergoes thermal expansion, which pulls the crankshaft along the axial direction and lateral direction. The presence of unbalanced loads along the periphery of the crankshaft also induces a bending moment.

Question

41. The wide-flange I beam as shown is 20 ft. long. It is fixed at one end
and free at the other. A twisting moment of 30,000 lb-in. is applied at
the free end. If E=30×10° psi and G =12x10° psi, compute the
maximum normal and shearing stresses due to bending and the
maximum shearing stress due to twist. What is the angle of twist of the
beam at the free end?
10.5"
1.368"
0.845"
10"
prob 41

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