#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 GPa3.5 mPBSteelL = 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

Given, P = 50 kN Lal = 3m Lst = 4m Eal = 70 GPa Est = 200 GPa

# 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-3m A= 500 mm = 70 GP 3.5 m Steel Lw4m 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.

# 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-3m A= 500 mm = 70 GP 3.5 m Steel Lw4m 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.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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