Question

Find T_AC and state if it acts as a tensile or compressing force.

Freebody diagram drawn as if all members are in tension.

20001 c Toc Tc F 8 C Tc TcB Kee TAD TAC C. Tpe TAC TAD ID Thc TAD Note A TAB Tee TAC TAC Answ TAD V need to specify TrB A B25001B TAB Ax 1o00l (T) -easion A Soole TAB and C)- ompor fo LRch jont Joint D

Answer 1

Soluti fa fimding TAc ConAiderjomt A CB 4 AB DC-8 CB tan o AB TAD tan a TAC A Ax-lo00.bA TAB 7 Ay - Soo b But TAD=O Aheady fmd (given) Equatmg vertcal foes TAD t TAC 8in Ay Soo O TACm 26.56S Tac 18.03S b Tensln