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Problem #4: -5 ft . 5 ft . 5 ft 5 ft 11.5k 8 ft
For the following trusses determine the forces in all members using the method of joints. Specify whether the member is in tension or compression.
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Answer #1

1.2.loso -0-7512 05:34 -0.937k 1 V E ht HE HA s VE & 10 ft Flom fig tand=&=&= 38.66% O = Go - a = 51.34 Resolve the force 1.2To find HA & HE SH=0 HA HE to HE to .75= Mc=o. (Right hand side) HEX 8 + 0.7584 +0.93785 E VE X10 HE = 0.667 K HA=0.6674o.ltjoint E FDE S1038.66 = 1.3027 3660 RDE 2.085k (C) L 0.667 1.3027 FDE (OS 38.66 +FFE = 0667 FEF = 0.961 KT) Totut D 1.2 FDF =

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