A compound steel (E = 30,000 ksi) bar is subjected to the loads shown. Bar (1) has a cross-sectional area of A1 = 0.35 in.2 and a length of L1 = 105 in. Bar (2) has an area of A2 = 0.35 in.2 and a length of L2 = 115 in. Bar (3) has an area of A3 = 0.13 in.2 and a length of L3 = 35 in. The loads and angles are P = 30 kips, α = 38°, Q = 10 kips, β = 62°, and R = 12 kips. Determine the vertical deflection of end A. A downwards deflection is positive, while an upwards deflection is negative. A compound steel (E = 30,000 ksi) bar is subjected to the loads shown. Bar (1) has a cross-sectional area of A₁ = 0.35 in.² and a lengthof L₁ = 105 in. Bar (2) has an area of A2 = 0.35 in.² and a length of L₂ = 115 in. Bar (3) has an area of A3 = 0.13 in.² and a length of L3 = 35in. The loads and angles are P = 30 kips, a = 38°, Q = 10 kips, ß = 62°, and R = 12 kips. Determine the vertical deflection of end A. Adownwards deflection is positive, while an upwards deflection is negative.D(1)L₁PAnswer:ĎABA(2)(3)VRTaUQPL2L3in.

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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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A compound steel (E = 30,000 ksi) bar is subjected to the loads shown. Bar (1) has a cross-sectional area of A₁ = 0.35 in.² and a length of L₁ = 105 in. Bar (2) has an area of A₂ = 0.35 in.² and a length of L₂ = 115 in. Bar (3) has an area of A₃ = 0.13 in.² and a length of L₃ = 35 in. The loads and angles are P = 30 kips, α = 38°, Q = 10 kips, β = 62°, and R = 12 kips. Determine the vertical deflection of end A. A downwards deflection is positive, while an upwards deflection is negative.

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