2. A cantilever beam AB of isosceles trapezoidal cross section has length L = 0.8 m, dimensions b, = 80 mm, b2 = 90 mm, and height h = 110 mm. The beam is made of brass weighing 85 kN/m³. (a) Determine the maximum tensile stress and maximum compressive stress due to the beam's own weight. (b) If the width bi is doubled, what happens to the stresses? (c) If the height h is doubled, what happens to the stresses? C

2. A cantilever beam AB of isosceles trapezoidal cross section has length L = 0.8 m, dimensions b, = 80 mm, b2 = 90 mm, and height h = 110 mm. The beam is made of brass weighing 85 kN/m³. (a) Determine the maximum tensile stress and maximum compressive stress due to the beam's own weight. (b) If the width bi is doubled, what happens to the stresses? (c) If the height h is doubled, what happens to the stresses? C

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter6: Stresses In Beams (advanced Topics)

Section: Chapter Questions

Problem 6.8.1P: A simple beam with a W 10 x 30 wide-flange cross section supports a uniform load of intensity q =...

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