711. A cantilever beam BD rests on a simple beam AC as shown in Fig. P-711. Both beams are of the same material and are 3 in. wide by 8 in. deep. If they jointly carry a load P = 1400 lb, compute the maximum flexural stress developed in the beams. 1200 psi %3D Ans. P 1400 lb A 8 ft 8 ft 4 ft

711. A cantilever beam BD rests on a simple beam AC as shown in Fig. P-711. Both beams are of the same material and are 3 in. wide by 8 in. deep. If they jointly carry a load P = 1400 lb, compute the maximum flexural stress developed in the beams. 1200 psi %3D Ans. P 1400 lb A 8 ft 8 ft 4 ft

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter10: Statically Indeterminate Beams

Section: Chapter Questions

Problem 10.3.2P: A fixed-end b earn is subjected to a point load at mid-span. The beam has a rectangular cross...

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Question

USE CONJUGATE METHOD

711. A cantilever beam BD rests on a simple beam AC as shown in Fig. P-711. Both
beams are of the same material and are 3 in, wide by 8 in. deep. If they jointly carry
a load P = 1400 lb, compute the maximum flexural stress developed in the beams.
Ans. o = 1200 psi
%3D
P=1400 lb
8 ft
8 ft
R1
4 ft
12 ft
R2
Figure P-711

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711. A cantilever beam BD rests on a simple beam AC as shown in Fig. P-711. Both beams are of the same material and are 3 in, wide by 8 in. deep. If they jointly carry a load P = 1400 lb, compute the maximum flexural stress developed in the beams. Ans. o = 1200 psi %3D P=1400 lb 8 ft 8 ft USE CONJUGATE METHOD R1 4 ft 12 ft R2 Figure P-711
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