wood with Your ed to a uniform stresses due to lied (indicating ti

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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QUESTION 18
A 3 m long, simply supported beam AB, made from wood with Young's modulus 15 GPa, has a rectangular croSS-section
with width b = 98 mm and height h = 1.5*b subjected to a uniform load q = 5 kN/m (see figure).
If a designer would like to have a minimum normal stresses due to bending at the bottom of the beam to be equal to
zero, calculate the extra force that needs to be applied (indicating the sign).
L
Find your answer in N.
Transcribed Image Text:QUESTION 18 A 3 m long, simply supported beam AB, made from wood with Young's modulus 15 GPa, has a rectangular croSS-section with width b = 98 mm and height h = 1.5*b subjected to a uniform load q = 5 kN/m (see figure). If a designer would like to have a minimum normal stresses due to bending at the bottom of the beam to be equal to zero, calculate the extra force that needs to be applied (indicating the sign). L Find your answer in N.
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