Problem#3:#3A.The rigid bar AB, attached to two verticalrods as shown, is horizontal before theload P is applied. Determine the verticalmovement of P if its magnitude is 50 kN.AluminumL= 3 mA = 500 mm²E = 70 GPaA3.5 mPBOSteelL = 4 mA = 300 mm²E = 200 GPa2.5 m#3B.A steel rod is stretched between two rigid walls and carries a tensile load of 5000 N at 20°C.If the allowable stress is not to exceed 130 MPa at -20°C, what is the minimum diameter ofthe rod? Assume a=11.7μm/(m. °C) and E=200 GPa.C

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Answered: #3A. The rigid bar AB, attached to two…

#3A. The rigid bar AB, attached to two vertical rods as shown, is horizontal before the load P is applied. Determine the vertical movement of P if its magnitude is 50 kN. 55

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

Question

Problem#3:
#3A.
The rigid bar AB, attached to two vertical
rods as shown, is horizontal before the
load P is applied. Determine the vertical
movement of P if its magnitude is 50 kN.
Aluminum
L= 3 m
A = 500 mm²
E = 70 GPa
A
3.5 m
P
B
O
Steel
L = 4 m
A = 300 mm²
E = 200 GPa
2.5 m
#3B.
A steel rod is stretched between two rigid walls and carries a tensile load of 5000 N at 20°C.
If the allowable stress is not to exceed 130 MPa at -20°C, what is the minimum diameter of
the rod? Assume a=11.7μm/(m. °C) and E=200 GPa.
C

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