The pin-connected structure shown in the figure consists of a rigid beam ABCD and two supporting bars. Bar (1) is a bronze alloy [E = 94 GPal with a cross-sectional area of A, = 240 mm?. Bar (2) is an aluminum alloy [E = 71 GPa] with a cross-sectional area of A, = 660 mm?. All bars are unstressed before the load Pis applied; however, there is a 2-mm clearance in the pin connection at A. Assume L, = 2180 mm, a = 920 mm, b = 560 mm, c = 450 mm, and L, = 1620 mm. If a load of P = 53 kN is applied at B, determine (a) the normal stresses in both bars (1) and (2). (b) the downward deflection of point A on the rigid bar. (1) a b D L2 P. (2) Answers: (a) o1 = MPa 02 = MPa (b) VA = mm
The pin-connected structure shown in the figure consists of a rigid beam ABCD and two supporting bars. Bar (1) is a bronze alloy [E = 94 GPal with a cross-sectional area of A, = 240 mm?. Bar (2) is an aluminum alloy [E = 71 GPa] with a cross-sectional area of A, = 660 mm?. All bars are unstressed before the load Pis applied; however, there is a 2-mm clearance in the pin connection at A. Assume L, = 2180 mm, a = 920 mm, b = 560 mm, c = 450 mm, and L, = 1620 mm. If a load of P = 53 kN is applied at B, determine (a) the normal stresses in both bars (1) and (2). (b) the downward deflection of point A on the rigid bar. (1) a b D L2 P. (2) Answers: (a) o1 = MPa 02 = MPa (b) VA = mm
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter2: Axially Loaded Members
Section: Chapter Questions
Problem 2.3.2P: A long, rectangular copper bar under a tensile load P hangs from a pin that is supported by two...
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