Solved Assignment 16 - Engineering Statics | ENGR 210, Assignments of Statistics

Material Type: Assignment; Class: Engineering Statics; Subject: Engineering-General; University: University of Idaho; Term: Unknown 1989;

Typology: Assignments

Pre 2010

Uploaded on 08/19/2009

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5-66. The air-conditioning unit is hoisted to the roof of a building using the three cables. If the tensions in the 2 =0 sables are T, = 250 1b, Tz = 3001b, and Te = 200 1b, determine the weight of the unit and the location (z, y) of ts center of gravityG. 250 + 300 + 200-W = 0 W = 750 Ans 750(z) ~ 250(10) - 200(7) = 0 x= 520ft Ans 250(5) + 300(3) + 200(9) - 750(y) = 0 y= s27n Ans 5-67. The platform truck supports the three loadings shown, Determine the normal reactions on each of its three wheels. 380(15) + SOOCZT) + 800(5) - F(35) = 0 mM, = 0; Bee tiew aS Fa UE serene: scm: alin ” eo Se R- = 120 j wen nenamvea-se-oone | 2 +R = 1017.1429 Solving, Ke = 509 Ans = 49m Ans Ja