Determine the unstretched length of spring AC if a force P = 100 Ib causes the angle 0= 52° for equilibrium. Cord AB is 2 ft long. Take k = 35 lb/ft. 2 ft 2 ft wwww
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- The homogeneous bar AB weighs 25 lb. Determine the magnitudes of the forces acting on the bar at A and B. Neglect friction.Q4 / Determine the unstretched length (Lo) of spring Ac if a force P= 400 N causes the Ø=60° for equilibrium cord AB is 0.6m long . Take K=850 N/m. As shown in fig (4)? 0.6 m 0.6 m wwwQ2/ Determine the unstretched length of spring AC if a force P 80lb causes the angle 0 = 60° for equilibrium. Cord AB is 2 ft long. Take k = 50 lb/ft.
- Exercise 2: Determine the unextended length (l_0) of spring AC, if a force P = 80 lb generates the angle θ = 60 ° for the equilibrium position. Rope AB is 2 feet long. Consider the spring deformation constant as k = 50 lb / ft. Solve this problem using GeoGebraProblem 3: If the springs shown each have an unstretched length of 48 inches, determine the angle for equlibrium with the 10- lb lamp fixture. 4 ft www. k = 5 lb/ft 4 ft 0 wwwww k = 5 lb/ftQuestion 2: The ideal spring of constant k-2.6 kN/m is attached to the disk at point A and the end fitting at point B, as shown. The spring is unstretched when OA and Oв are both zero. If the disk is rotated 15° clockwise and the end fitting is rotated 30°counterclockwise, determine the vector expression for the spring force F. ( Determine distance C so that the moment the spring force makes about the Z axis is equal to 10.82 N.m. ( A = 15°. C A 250 mm eeeeeee 900 mm k= 2.6 kN/m OB = 30° B LC 7-y 200 mm
- Determine the stretch in each spring for for equilibrium of the 1.8-kg block. The springs are shown in the equilibrium position. (Figure 1) No elements selected 3m 4 m 3 m kAC = 20 N/m igure kan = 30 N/m www 1 of 1 3 m 4 m kAD- 40 N/m 3 m kAc = 20 N/m kAn- 30 N/m www kAD- 40 N/m Select the elements from the list and add them to the canvas setting the appropriate attributes.Question 2: The ideal spring of constant k-2.6 kN/m is attached to the disk at point A and the end fitting at point B, as shown. The spring is unstretched when OA and Oв are both zero. If the disk is rotated 15° clockwise and the end fitting is rotated 30°counterclockwise, determine the vector expression for the spring force F. Determine distance C so that the moment the spring force makes about the Z axis is equal to 10.82 N.m. - A = 15°1 A 250 mm lllllll 900 mm k = 2.6 kN/m OB = 30° B G 200 mm1- Determine equilibrium the angle 9 for and investigate the stability of the mechanism in this position. The spring has a stiffness of k = 1.5 kN/m and is unstretched when 8 = 90°. The block A has a mass of 40 kg as shown in Fig.1. Neglect the mass of the links. quin 450 mm
- Equilibrium of Concurrent Force System. The piston of a reciprocating engine exerts a force of 175 kN on the crosshead when the crank is 45° (angle B) past TDC. If the stroke of the piston is 800 mm and the length of the connecting rod is 1.80 m, find the guide force and the force in the connecting rod. Hint: 1=½ stroke; Angle o may be solved using Sine Law in AACO. K= Compressive Force in the connecting Rod E= Piston Effort 70 120 F, = Guide Force Fig. P-1 Fig. P-2 a Tools: EF cos0=0; F sin .=0. R = Ev)* + (E#): ; R 771 =- : tane = sin A sin B sin C2. A 4-lb weight stretches a spring 6 in. The weight is pulled 3 in below the equilibrium position and released. Find the motion of the weight if an cos6t acts on the system. external force f(x) = 4 F(x)= Ma -what is the spring constan" K-F 4 7=33The dimensions a = 2 m and b = 1 m. The couple M = 2400 N-m. The spring constant is k = 6000 N/m, and the spring would be unstretched if h = 0. The system is in equilibrium when h = 2 m and the beam is horizontal. Determine the force F and thereactions at A.