A simple pin-connected truss is loaded and supported as shown in the figure. All members of the truss are aluminum pipes that have an outside diameter of 3.00 in. and a wall thickness of 0.210 in. Determine the normal stress in truss member BC. Assume P = 4 kips, Q = 2 kips, a = 5 ft, b = 9 ft, and c = 7 ft. The stresses are positive if tensile and negative if compressive. Answer in ksi rounded-off to 2 decimal places. (1) (3) B 2 C P

A simple pin-connected truss is loaded and supported as shown in the figure. All members of the truss are aluminum pipes that have an outside diameter of 3.00 in. and a wall thickness of 0.210 in. Determine the normal stress in truss member BC. Assume P = 4 kips, Q = 2 kips, a = 5 ft, b = 9 ft, and c = 7 ft. The stresses are positive if tensile and negative if compressive. Answer in ksi rounded-off to 2 decimal places. (1) (3) B 2 C P

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter8: Applications Of Plane Stress (pressure Vessels, Beams, And Combined Loadings)

Section: Chapter Questions

Problem 8.3.1P: A fire extinguisher tank is designed for an internal pressure of 825 psi. The tank has an outer...

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