The rigid body ACD supported by a pin at C and by a cable ABD is loaded by P=130 N. Neglecting friction determine the tension in cable ABD and the reactions at C when = 60 degrees and the length a =19 m. NOTE: Give the answer up to THREE significant digits. C 90 7 D
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- The uniform bar AB of weight W and length L is pinned to a sliding collar at A and to the sliding rod BD at B. The spring wound around rod BD has a stiffness k and is undeformed when rod AB is in the position =0. Determine the expression for the angle (other than =90 ) at equilibrium and investigate the stability of equilibrium for this position.The uniform 18kg Bar OA is held in the position shown by a smooth pin at 0, and the cable AB which is in tension as shown. A 1.5 m 60° 00 B -1.2 m Which of the following is the correct expression for the expression for the Tensile force (T) acting at point A Select one: fthese optionsCables CE and BF along with the ball and socket at A support the rigid bar ABCD. (Due to the nature of this problem, do not use rounded intermediate values in your calculations-including answers submitted in WebAssign.) 3 m 2 m 4 m B F = -(750 N)k Determine the tension in each cable and the reaction components the ball and socket joint exerts on ABCD at A in newtons. (Indicate the direction with the sign of your answer.) BF = 2691 X N TCE = 1148 FAx = N Fav Faz =
- Find the horizontal and vertical reactions at the pin at B. Note that the support at D is fixed. Sign convention for the positive x and y direction applies for the answers. Diagram not to scale Answers: (a) -4 kN, 2 kN (b) 4 kN, -2 kN (c) 1.5 kN, 3 kN (d) -1.5 kN, -3 kN 3 kN B A D TTT 2 m 4 kN 2 m C 1m 2 m 5 mA 200 mm lever and a pulley of 240 mm diameter are welded to the axle BE which is supported by a thrust bearing at C and a journal bearing at D. A 720 N vertical force is applied at A when the lever is horizontal. Determine the tension T in the cord and the reactions at bearings C and D. You may assume that the bearings are properly aligned. You must include a free body diagram with your solution. 200 mm 720 N 80 mm 40 mm 120 mm Z 120 mmPROBLEM 1: Determine the tension in each cable and the components offorce reaction at D needed to support the load. Required: 1. Find Dx (Answer: 1039.230 N), Dy (Answer: 0 N) and Dz (Answer: 0 N) 2. Find Tension AB (Answer: 467.667 N) and Tension (Answer: AC 673.808)
- Calculate the forces in members BC, BE, and EF. Solve for each force from an equilibrium equation which contains that force as the only unknown. The forces are positive if in tension, negative if in compression. 5.0 m BC = A 5.0 m B 5.0 m Answers: BE = G i i EF= i 5.0 m C 3.4 m E 23.0 KN 5.0 m kN kN kN DProblem 2: For the frame shown, find the horizontal and vertical components of the reactions at A and C. The cable supports a mass of 100kg. Assume the pulley is frictionless. 0.3 m Partial Ans. Cx = 654 N 1.5 m 2 m 0.5 mA rear suspension system for a front wheel-drive vehicle is shown here. Spring EF is offset behind member CD. The normal force due to contact between the wheel and the road is 4200 N. Assume the weight of the wheel and suspension system components is negligible. Determine the magnitude of the member CD. Is the member in tension or compression? Determine the support reactions at A. Determine the unstretched length of the spring EF given a spring constant of 150 kN/m.
- Determine the magnitudes of all pin reactions for the frame loaded as shown. Assume F = 600 N, a = 795 mm, b = 350 mm, 0 = 32°, and = 63° A Answers: A = B = D= i i i Ө C 10 a B $ F D C N N N3. Forces P and Facting along the bars shown in Fig. P-327 maintain equilibrium of pin A. Determine the values of P and F. 200 Fs Pa7.QUESTION 2 In the truss, below all the members are connected to each other through pin joints. The truss is connected to the ground at A with a pin and at D with a roller. The force H has a value of 48 N. The force J has a value of 53 N. The force K has a value of 14 N. What is the magnitude of the total reaction force at pin A in N? E F G A 3 m B H 3 m J 3 m D K 4 m