Question

Two hydraulic cylinders, AE and DG, are used to control the position of the robotic arm ABC. The control rods attached at A and D each have a 26-mm diameter and happen to be parallel in the position shown. Take P = 890 N, a=170 mm and b-230 mm. Determine the normal stress developed in cylinder DG (Assume DG is parallel to AE). Required information 0.50 points The two force (2F) members in the structure are AE BFD авс ABC AB BF DG (Check all that apply) Note:- In Connect, Check all that apply requires you to also UNcheck all that do NOT apply

Answer 1

G ven data 2 hydYoulc Cyctinder AE and DG oAE DA = 2 6mm P = 84o N Detemmine at DG NOYM al Stess FoN mula Pat DG DG Cls Area 262 Avea A 530.429 mm Load /fove ou DG. B Lengen or BF Lengt AE 3 002 4002 S00 mm = tan4) 400 O53.12 53.13

aout F Moment SF o Bx 5o0 Sin 53.13. 500 Cos 53.13 PDG FX b Cos 230 Cos 26.e7' 194 mm |to determme Amm A B C use Br and B At Jofnt B (To mm hoo mm A P AE Moment albaut PaE Sin 53.13 I10 PAE 3926.5N

В х CosO 3926. 5 CoS 53.13 = Br 23 S6 N PAE Sin + P = 3926 sin 53 13 + 89o = 4o 31.19 N NDw Subltiture PoG 184 t 4031.19 (500 Cos 53.13) = 2356 ( Soo s 53.13) X PiDG 450 N - 14 So Stress nP6 , - 5 30.121 2 73 NMm - PG