Unformatted text preview: indeterminate? Explain why (1–2 sentences). (5 pts.) A B D E P L y x 1 1 F BC qL 2qL L L L/3 D y D x (a) F i j C k k r = =( 29 =( 29 P qL PL qL qL PL qL 3 2 3 2 8 3 2 2 2 / / (b) M PL qL D L D P qL B y y = + + = ⇒ = + ( 29 ∑ 2 3 3 / / (c) F qL P qL F F qL P qL P y BC BC = + ( 29= ⇒ = + = + ∑ 3 3 1 2 2 10 3 2 10 3 / compression (d) The structure is statically determinate . Bar BC is a 2force member, so the reaction at C must be colinear with bar BC. Thus, there are a total of 3 unknown reactions for 3 equations of equilibrium....
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 Fall '05
 Downing
 Force, Prof. Haber SOLUTION, bar BC., L/3 A FBC

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