In the Pratt truss below the reactions are given: a) State why the forces in AF, EK, FG, JK and HC must be zero. b) Calc

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In The Pratt Truss Below The Reactions Are Given A State Why The Forces In Af Ek Fg Jk And Hc Must Be Zero B Calc 1 (74.62 KiB) Viewed 59 times

In the Pratt truss below the reactions are given: a) State why the forces in AF, EK, FG, JK and HC must be zero. b) Calculate the reactions at A and E c) Calculate the member forces AG and AB using method of joints and state whether the member is in tension or compression d) Calculate the member forces, GH and BC using method of sections and state whether the member is in tension or compression 4 kN 2 kN G к 5.000 m 5.000 m H 5.000 m 5.000 m क 7.071 m 5.000 m 5.000 m 7.071 m 7.071 m 7.071 m 5.000 m 5.000 m 5.000 m 5.000 m 5.000 m 5.000 m E 2 B с D