Problem 004-ms For the truss shown in Fig. T-05, find the internal fore in member BE.
Solution 003-ms
$\Sigma M_F = 0$
$6R_A = 2(120)$
$R_A = 40 \, \text{ kN}$
From section to the left of a-a
$\Sigma M_A = 0$
$F_{BE} = 0$ answer
why section left of a-a? not right?
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why section left of a-a? not
why section left of a-a? not right?