a triangular distributed horizontal force of peak intensity  (see the figure). The length of the

Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter5: Stresses In Beams (basic Topics)
Section: Chapter Questions
Problem 5.9.1P: A wood pole with a solid circular cross section (d = diameter) is subjected to a triangular...
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A wood pole of solid circular cross section () is subjected to a triangular distributed horizontal force of peak intensity  (see the figure). The length of the pole is  , and the allowable stresses in the wood are  in bending and  in shear.

lb
(see the figure). The length of the pole is
in.
A wood pole of solid circular cross section (d = diameter) is subjected to a triangular distributed horizontal force of peak intensity go = 28
L = 7 ft , and the allowable stresses in the wood are 2,000 psi in bending and 120 psi in shear.
90
d
Determine the minimum required diameter of the pole based upon (a) the allowable bending stress, and (b) the allowable shear stress. Round your answers to three decimal plases.
(a) dmin =
in.
(b) dmin =
in.
Transcribed Image Text:lb (see the figure). The length of the pole is in. A wood pole of solid circular cross section (d = diameter) is subjected to a triangular distributed horizontal force of peak intensity go = 28 L = 7 ft , and the allowable stresses in the wood are 2,000 psi in bending and 120 psi in shear. 90 d Determine the minimum required diameter of the pole based upon (a) the allowable bending stress, and (b) the allowable shear stress. Round your answers to three decimal plases. (a) dmin = in. (b) dmin = in.
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