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#StrengthOfMaterials
What's up mga bees! So this is our first example for Flexural Stress in Beams with Symmetrical Cross Section. Here is the problem:
The box beam is made by nailing four 2-in. by 8-in. planks together as shown.
(a) Show that the moment of inertia of the cross-sectional area about the neutral axis is 981.3 in.4.
(b) Given that w0 = 300 lb/ft, find the largest allowable force P if the bending stress is limited to 1400 psi.
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OUTRO MUSIC CREDITS:
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Song: Sineskwela-Mathtinik Violin Lead Instrumental Medley
Instrumental by: Chords (YT Channel)
Link: • Sineskwela-Mathtinik V...
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Song: Math Tinik Opening Song - mof!us (Remix)
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The outro music was an original work of Ting-ting Calzo-Fournier and Jungee Marcelo which was used as a theme song of the 90's kids program of ABS-CBNS "Mathtinik". The outro line was also adapted from the lyrics of the song "maglakbay, mag-enjoy, maglaro, manaliksik, maging Mathinik". The outro music is not ours but belongs to their respective owners.
Book References:
-Singer, et. al. Strength of materials, 4th ed. McGraw-Hill Companies, Inc., New York, NY
-Hibbeler, R. C. (2002). Mechanics of materials, 5th ed. Prentice Hall, Inc.
--Mechanics of Materials, Second Edition by Andrew Pytel & Jaan Kiusalaas
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