The cantilever truss in the figure is hinged at D and E. Find the force in member AB.
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Q: Consider the truss shown in the figure below. Calculate the force on the member BC.
A: Answer: The force in the member BC is 60 lbs (compression).
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- A long re Lai nine: wall is braced by wood shores set at an angle of 30° and supported by concrete thrust blocks, as shown in the first part of the figure. The shores are evenly spaced at 3 m apart. For analysis purposes, the wall and shores are idealized as shown in the second part of the figure. Note that the base of the wall and both ends of the shores are assumed to be pinned. The pressure of the soil against the wall is assumed to be triangularly distributed, and the resultant force acting on a 3-meter length of the walls is F = 190 kN. If each shore has a 150 mm X 150 mm square cross section, what is the compressive stressRepeat Problem 11.3-9. Use two C 150 × 12.2 steel shapes and assume that E = 205 GPa and L = 6 m.Continuous cable A DB runs over a small friction less pulley al D to support beam OABC, which is part of an entrance canopy for a building (see figure}. The canopy segment has a weight W = 1700 lb that acts as a concentrated load in the middle of segment AB. (a) What is the maximum permissible value of load P at C if the allowable force in the cable is 4200 lb? (b) If P = 2300 lb, what is the required diameter of pins A, B, and D? Assume that the pins are in double shear and the allowable shear stress in the pins is 10 ksi.
- Repeat Problem 6.2-1 but now assume that the steel plate is smaller (0.5 in. × 5 in.) and is aligned with the top of the beam as shown in the figure.The cantilever truss in the figure is hinged at D and E. Find the force in member AC. 1000 1b 60 60° 30 lo00 16 c00 16.The cantilever truss in the figure is hinged at D and E. Find the force in member DC. 1000 Ib 60" 60 30 C lo' la00 16
- The cantilever truss in the figure is hinged at D and E. Find the force in member BC. 1000 Ib 60 60 30 3, lo lO00 16 1000 (b. O 668 Ib 866 Ib 886 lb 688 IbThe cantilever truss in the figure is hinged at D and E. Find the force in member BD. 1000 Ib 60 60 10 lO00 16 J000 (b. O 2300 lb O 2200 Ib O 2400 Ib O 2500 Ib3) Calculate the internal forces in members DF, CE, and BD of the given truss shown in the figure below. Use the Method of Sections. G0ON GOON GOON GOON G0ON 1,5m 600 N B. 600 N A 6 at 1-20m = 7.20m
- giew. given in the figure below, is (A) 27 kN (Tensile) (B) 15 kN (Compressive) C) 20 kN (Compressive) (D) 7 kN (Tensile) : The force in the member RQ of the truss, as T10 kN 20 kN 15 kN R. V W 7 kN 5 kN 12 m (4 x 3)A new art exhibit featuring mobile works is going up in the Holland, MI, area. One piece is shown in the figure. The 155-N uniform beam is pinned to the ground by a pivot. The beam is supported by a cable (attached to the center of the beam) to allow for each of the shoes to hang freely. Each individual shoe has a weight of 9.5-N. If one shoe is attached two-fifths of the way up the beam and another shoe is attached and three-fifths of the way up the beam, with θc = 16.5° and θb = 33.6° as shown in the figure, what is the tension in the cable, in newtons? What is the x-component of the force, in newtons, that the pivot exerts on the bottom of the beam? Use the coordinate system specified in the figure. What is the y-component of the force, in newtons, that the hinge exerts on the bottom of the beam? Use the coordinate system specified in the figure.5.3.4 Zero Force Members Figure H 800 N ALA F E MA 3m D -3 m 30% G B -3 m 20 1 of 2 ( 3m Figure B 2m 2 m C T 2 m < 2 of 2 D 4m 500 N 700 N Part A Identify the zero-force members in the truss shown in (Figure 1). Check all that apply. CD D BC D CE ⒸAB DE GH EF ооооооооооооо BG □ CF AG OBF FG ⒸAH Part B Identify the zero-force members in the truss shown in (Figure 2). Check all that apply. OBC FG D CF AG BG OCD DE ⒸAB D CG EF ODF ооооооооооо