4.30 Calculate the force in the tie rod BC and the reaction at the pinned support at point A for the rigid frame shown. B Pin 60° A 5'-0" 6'-0" 3'-0" SE e di ort W D = 1200 lb
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- hinged at D and under the action of the forces shown. Find the value of P. 1 attached at A and D, the ends of the rod. The weight of the rod is 100 and its CG is 1-7m from A. A weight of 150 N is attached at C where 4. If the tw body is i must be and F1 Otherw = 1-2m. Find the tensions in the strings. A horizontal beam ABCD of length 3 m is supported at Band C where A 0:8 m. A force of 200 N applied vertically downwardsa equilib will ha ilor force of 300 N appliedanswer is B=14.528lb D= 14.58lb F= 3lb, but I need help to get to them 1. For the frame below a. Use a free body of the full structure to find the reactions at Pin A and Roller B. b. Determine the magnitude of the forces on pins B, D, and F. Show your ree oeY diagrams. 30 in-lb 10 lb 6" 7" 4" 3" 4" 3" 1. 1.25"Show a free body diagram of the left section. Find the forces in the members listed by the Method of Sections. 1. Find forces in BD, BE and CE. (T C) BD = BE = (T C) CE = (T C) 1200 1800 540 5' A 12 12' 12' 540 2075 1675 300 450 B0
- Determine the support reactions at the the fixed support, A. Neglect the weight and size of the beam. Given data: Distributed load W=50 N/m; Couple C=160 N-m; and the point load P-780 N acting inclined at an angle of 35 in degree with respect to horizontal. W (n/m) P C (N.m) 1.5 m 2 m 4 m Horizontal force component at A along x, AxD Horizontal force component at A along y, Ay= Moment component at A, Ma= N. mAnswer FOUR questions ONLY selecting TWO questions from SECTION A. 1. (a) The vertical structure ABCD shown in Figure 1(a) is subjected to a system of coplanar forces and a moment. The structure is simply supported at D with a frictionless pin and is roller-supported at A. i Sketch the free body diagram (FBD). Take moments about D and hence find the reaction force at support A. ii. 35 AN 23m 60 100 km Osm Figure 1(a) (b) An assembly of a steel bar enclosed within an aluminium alloy tube is shown in Figure 1(b). The tube and the bar are of the same initial length. The combination is compressed between two rigid parallel plates by a force of 500 kN. The diameter of the steel bar is 40 mm, and the inside and outside diameters of the alloy tube are 60 mm and 100 mm respectively. The Young's moduli for steel and aluminium alloy respectively are Est = 200 GNM2, EA = 70 GNm?. Find the stresses generated in the steel bar and the aluminium alloy tube. Sael he -Rid pl Figure 1(b)The frame below is used to support the distributed load as shown. (12) a) Find the reactions at C and E. Gft (8) b) Find the force in link BD. Is the link in compression or tension? 1.5 Lb/Ft B You must show all free body diagrams used and label all forces that appear on your diagrams and in your equations. 4,5ft
- For the pin-connected frame shown, a = 10 in, b = 7.5 in, and F = 100 lb. Find the magnitude of the support reaction at Point A.Determine the reactions at supports for the following Figures. A 40 kN/m -8 m B. 3 m 20 KN 150 kN mThe light boom AB is attached to a vertical wall by a ball and socket joint at A and supported by two cables at B. A force P is applied at B where P = 20i - 14j kN.Note that the reaction force at A acts along the boom because it is a two-force member. Calculate the magnitude of the reaction force at A in kN. Quiz 2. 9, 2 m 17 4 m Finish Time lI 6 m 曲
- The light boom AB is attached to a vertical wall by a ball and socket joint at A and supported by two cables at B. A force P is applied at B where P = 14i - 15j kN.Note that the reaction force at A acts along the boom because it is a two-force member. Calculate the magnitude of the reaction force at A in kN.2. The center diagonal of the truss in the figure shown can support tension only. Compute the force of DG and BE. A 20 200 B BD 20% CO www.w BE CE D DF F 1===54 25 of 61 DG 20 E 15 EG TR1 R1 600 20 G 15 600 300 H R3 R2Solve the following problems completely. Include the FBD with proper labels. 1. The truss is supported by a hinge at A and a roller at D as shown. Find the reactions in the supports. 20 kips C 3 ft D 10 kips - 3 ft 3 ft 2. The truss is supported by a roller at A and a hinge at D as shown. Find the reactions in the supports. B 10 KN 1.5 m 250 A 2 m 2 m 20 KN