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Method of Sections Reactions

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A. Find the reactions at A & G

b. Use the METHOD OF SECTIONS to find the forces in members IJ, EJ, and DE. Indicate also whether in tension or compression.

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Solution:
a) Find the reaction at A and G
First, moment balance toward G, we can have an equation as follow:
RA(10+10+10+10+10+10)=1000*50+1500*40+2000*30+1500*20+1000*10
Then we got RA=3500
Using the ...

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