Rigid bar ABCD is loaded and supported as shown. Bars (1) and (2) are unstressed before the load P is applied. Bar (1) is made of bronze [E = 100 GPa) and has a cross- sectional area of 510 mm2. Bar (2) is made of aluminum [E = 70 GPa] and has a cross-sectional area of 980 mm2. After the load P is applied, the force in bar (2) is found to be 17 kN (in tension). Determine (a) the stresses in bars (1) and (2). By convention, tensile stresses are positive and compressive stresses are negative. (b) the vertical deflection of point A. The vertical deflection is positive if downward and negative if upward. (c) the load P. (2) 0.8 m D |0.5 m 1.2 m 0.5 m 0.7 m (1) Answers: (a) o1 = MPa 02 = MPa (b) VA = mm (c) P= kN

Rigid bar ABCD is loaded and supported as shown. Bars (1) and (2) are unstressed before the load P is applied. Bar (1) is made of bronze [E = 100 GPa) and has a cross- sectional area of 510 mm2. Bar (2) is made of aluminum [E = 70 GPa] and has a cross-sectional area of 980 mm2. After the load P is applied, the force in bar (2) is found to be 17 kN (in tension). Determine (a) the stresses in bars (1) and (2). By convention, tensile stresses are positive and compressive stresses are negative. (b) the vertical deflection of point A. The vertical deflection is positive if downward and negative if upward. (c) the load P. (2) 0.8 m D |0.5 m 1.2 m 0.5 m 0.7 m (1) Answers: (a) o1 = MPa 02 = MPa (b) VA = mm (c) P= kN

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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