A "rigid" beam AD is supported by a smooth pin B and by vertical rods that are attached to the beam at points A and C, as shown in the Figure. Neglect the weight of the beam. The beam is horizontal when only rod (1) is attached and P= 22 kN, but rod (2) was manufacutred d' = 0.35 mm too short. Assume that rod (2) is stretched and attached to the beam at C then the load P = 22 kN is applied. [A₁= 256 mm², A₂= 160 mm² E₁-E₂= 200 GPa, a= 0.8 m, b= 2.5 m, L₁= 79 cm, L₂= 128 cm, 5'= 0.35 mm] L: (1) B a с. L₂ b What is the value of the internal force in rod (1)?

A "rigid" beam AD is supported by a smooth pin B and by vertical rods that are attached to the beam at points A and C, as shown in the Figure. Neglect the weight of the beam. The beam is horizontal when only rod (1) is attached and P= 22 kN, but rod (2) was manufacutred d' = 0.35 mm too short. Assume that rod (2) is stretched and attached to the beam at C then the load P = 22 kN is applied. [A₁= 256 mm², A₂= 160 mm² E₁-E₂= 200 GPa, a= 0.8 m, b= 2.5 m, L₁= 79 cm, L₂= 128 cm, 5'= 0.35 mm] L: (1) B a с. L₂ b What is the value of the internal force in rod (1)?

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

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

A "rigid" beam AD is supported by a smooth pin B and by vertical rods that are attached to the beam at points A and C, as
shown in the Figure. Neglect the weight of the beam. The beam is horizontal when only rod (1) is attached and P= 22 kN,
but rod (2) was manufacutred d' = 0.35 mm too short. Assume that rod (2) is stretched and attached to the beam at C
then the load P = 22 kN is applied.
[A1= 256 mm², A2= 160 mm² E₁-E₂= 200 GPa, a= 0.8 m, b= 2.5 m, L₁= 79 cm, L₂= 128 cm, 5'= 0.35 mm]
L;
(1)
B
a
(2)
Cl
L2
15
b
What is the value of the internal force in rod (1)?
D

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