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Prob. 2.2-11. A rigid, weightless beam BD supports a load P and is, in turn, supported by two hanger rods, (1) and (2), as shown in Fig. P2.2-11. The rods are initially the same length L = 6 ft and are made of the same material. Their rectangu- lar cross sections have original dimensions (w, = 1.5 in., = 0.75 in.) and (wz = 2.0 in., tz = 1.0 in.), respectively. (a) At what location, b, must the load P act if the axial stress in the two bars is to be the same, i.c., o = 02? (b) What is the mag-

Prob. 2.2-11. A rigid, weightless beam BD supports a load P and is, in turn, supported by two hanger rods, (1) and (2), as shown in Fig. P2.2-11. The rods are initially the same length L = 6 ft and are made of the same material. Their rectangu- lar cross sections have original dimensions (w, = 1.5 in., = 0.75 in.) and (wz = 2.0 in., tz = 1.0 in.), respectively. (a) At what location, b, must the load P act if the axial stress in the two bars is to be the same, i.c., o = 02? (b) What is the mag-

Structural Analysis
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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Prob. 2.2-11. A rigid, weightless beam BD supports a load P and is, in turn, supported by two hanger rods, (1) and (2), as shown in Fig. P2.2-11. The rods are initially the same length L = 6 ft and are made of the same material. Their rectangu- lar cross sections have original dimensions (w, = 1.5 in., 1, = 0.75 in.) and (wz = 2.0 in., tz = 1.0 in.), respectively. (a) At what location, b, must the load P act if the axial stress in the two bars is to be the same, i.c., o = o,? (b) What is the mag- nitude of this tensile stress if a load of P = 40 kips is applied at the location determined in Part (a)? 4.5 ft (1) (2) 6 ft - Rigid, weightless B D P2.2-11
Transcribed Image Text:Prob. 2.2-11. A rigid, weightless beam BD supports a load P and is, in turn, supported by two hanger rods, (1) and (2), as shown in Fig. P2.2-11. The rods are initially the same length L = 6 ft and are made of the same material. Their rectangu- lar cross sections have original dimensions (w, = 1.5 in., 1, = 0.75 in.) and (wz = 2.0 in., tz = 1.0 in.), respectively. (a) At what location, b, must the load P act if the axial stress in the two bars is to be the same, i.c., o = o,? (b) What is the mag- nitude of this tensile stress if a load of P = 40 kips is applied at the location determined in Part (a)? 4.5 ft (1) (2) 6 ft - Rigid, weightless B D P2.2-11
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