Homework Answers
this is actually straightforward:
take moments about the point on the bar where b and z intersect it,
thus removing b and z.
then we have:
A x g x (5 + 8.5 + 5.5) = [0.90 x g x (8.5 + 5.5)] + [2.03 x g x
5.5] (g cancels)
A = (12.6 + 11.165) / 19
A = 1.25 kg
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