Using the direct stiffness method for the truss shown in Figure 2, determine the value of k if the vertical displacement is to be no more than 2mm im Figure 2 50 N
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- RAY B F F₁ ROYThe truss shown in the figure below is supported on roller at A and a hinge at B. Solve for the | components of reaction. Note: use "m" for distance use "N" for unit of force 600 240 D 16' 12' 12' F 12' BH 400 Ay By MATHalino.comThis arm is attached to a wall on the left. The right end is free hanging. Each section is 2.0m wide and 3.0m high. If the force at the end of the arm is F = 200.0N, what is the force in member 9? Use the Method of Sections. Use a positive number if it is in tension and a negative number if it is in compression.
- The illustrated truss is subject to certain loads. Calculate the forces acting in the components identified as 3-4, 3-10, and 9-10. Attach your solution (Give, Required, Solution with FBD) 0.8 kip 1.6 kips 2 8 ft 8 1.6 kips 3. 1.6 kips 8 ft 4 8 ft 10 1.6 kips 8 ft 5 1/1 1.6 kips 8 ft 6- 12 0.8 kip 6 ft 8 ft 4.5 ftThe figure shows a setup where when the member AB is horizontal and the unstretched aluminum bar length 2 m is attached to end D, the steel bar A has a gap of 3 mm with the support at Cas shown by A in the figure. At that point the system is deformed and the steel bar is attached to the support C. After this is done and all external forces are removed compute (a) the forces in both the steel and the aluminum bars. 0.75 m 1.5 m Steel A = 250 mm? E = 200 GPa Aluminum L= 2 m A = 300 mm E = 70 GPa Figure P-242Solve the problem shown below. Each answer is worth equal credit. Show all necessary steps of your work clearly to obtain credit. Final answer must be to 3 significant figures and contain units and be in the box. Using P1= 6.0 kips, then determine the reactions and member forces of the truss. a) List reactions at A and K? (Use positive, +, to indicate a reaction that is up, to the right, and counterclockwise.) [30 pts] RAX: RAY: Rkx: Rky: b) Determine the member forces using either the method of joints or method of sections. (Include Units and the correct sign in the answer, (Use: '+'= tension, & '-' = compression) J I H G 4 ft K A -3 ft- B P1 -3 ft- C P1 -3 ft D P1 E -3 ft 3 ft- P1 P1 F FBC: FCJ: FI: FEG: FDH: FIC:
- 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.A safety valve spring having 9 and 2 coils has the ends squared and ground. The outside diameter of the coil is 115 mm and the wire is 13 mm. It has a free length of 203 mm. The length of which this spring must be initially compressed to hold a boiler pressure of 1.38 MPa on the seat of 32 mm diameter. Modulus of rigidity is taken as G=80GN/m?. Find the force acting on the valve set. Compute the Wahl factorFigure 4: Determine the bar force at FN (Answer in whole number, indicate the answer in kN. just input the value, do this for all the questions on Figure 4) Note: if the member is in compression, write a negative symbol before it, ex: 12kn in compression is answer:-12
- Determine the forces in all bars of the truss shown in the given figure. Indicate tension or compression. Given: X = 21 kN. 12 kN B The force in bar AB(FAB) is The force in bar AG(FAG) is The force in bar BG(FBG) is The force in bar BC(FBC is The force in bar GCFGO is The force in bar GFFGF) is The force in bar ED(FED) is [ The force in bar ERFEA is The force in bar DF(FDA) is The force in bar CD(FCD) is The force in bar FC(FFC) is X KN 3 @4m 12 kN KN. (Click to select) KN. (Click to select) KN. (Click to select) KN. (Click to select) kN. (Click to select) ✓ KN. (Click to select) KN. (Click to select) ✓ KN. (Click to select) KN. (Click to select) ✓ KN. (Click to select) KN. (Click to select) ✓ T 2 m 2 mSolve the reinforcement using the method of nodes. Calculate the reactions and forces in the bars (indicate if they work under tension or compression). Data: L1 = 5m, L2 = 3m, L3 = 4m, P = 200kN, 0 = 60° %3D %3D L3A ladder with a uniform cross-section has a length of 4.80-foot long. It weighs W Ib. It is arranged such that one end is on the ground and the other against a vertical wall. The angle of triction at all contact surtaces is 20 degrees. What is the value of the coefficient of triction? What is f, in terms of variable Na? What is the normal force at A in terms of variable W? Answer in three decimal places