QUESTION 5 1. A table has four tubular legs of length 0.75 m. The thin-walled tubes have an inner radius of 4.5 cm, a wall thickness of 0.28 cm and are manufactured from a polymer with a Young's modulus of 0.8 GPa. The legs can be treated as thin-walled tubes where: I= = J = πr³t and P =α 2 E ΠΕΙ L² Assume fixed-free encastered where a=1 Calculate the maximum mass that the table can support before the legs undergo elastic buckling. Give your answer in kg to 3 significant figures

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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QUESTION 5
I=
1. A table has four tubular legs of length 0.75 m. The thin-walled tubes have an inner radius of 4.5 cm, a wall thickness of 0.28 cm and are manufactured
from a polymer with a Young's modulus of 0.8 GPa. The legs can be treated as thin-walled tubes where:
1
J = tr³t and
P_=a
E
ΠΕΙ
L²
Assume fixed-free encastered where a=1
Calculate the maximum mass that the table can support before the legs undergo elastic buckling. Give your answer in kg to 3 significant figures
Transcribed Image Text:QUESTION 5 I= 1. A table has four tubular legs of length 0.75 m. The thin-walled tubes have an inner radius of 4.5 cm, a wall thickness of 0.28 cm and are manufactured from a polymer with a Young's modulus of 0.8 GPa. The legs can be treated as thin-walled tubes where: 1 J = tr³t and P_=a E ΠΕΙ L² Assume fixed-free encastered where a=1 Calculate the maximum mass that the table can support before the legs undergo elastic buckling. Give your answer in kg to 3 significant figures
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