The cord shown in fig 5-8 supports a force of 100 lb and wraps over the frictionless pulley. Determine the tension in the cord at C and the horizontal and vertical components of reaction at pin A.
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- The inclined beam represents a ladder with the Following applied loads: the weight (W) of the house painter and the distributed weight (u) of the ladder itself. Find support reactions at A and B: then plot axial force (N), shear (V), and moment (M) diagrams. Label all critical N, V, and M values and also the distance to points where any critical ordmates are zero. Plot N, V, and M diagrams normal to the inclined ladder. Repeat part (a) for the case of the ladder suspended from a pin at B and traveling on a roller support perpendicular to the floor at A.Based on Problem 5-11 from the textbook. Determine the reactions at the supports. w=420 b= 2.9 m a= 3.4 m 4 a W b BProblem Statement Based on Problem 5-47 from the textbook. Determine the reactions at the pin A and the tension in the cord. Neglect the thickness of the beam. a=1.9 m b=4.1 m P=36 KN F=31 KN 13 P 12 b B
- Problem Statement Based on Problem 5-74 from the textbook. The bend rod is supported at A, B, and C by smooth journal bearings. Determine the components of reaction at the bearings if the rod is subjected to the force F. The bearings ar ein proper alignment and exert only force reactions on the rod. F=815N d=0.8m e=2.20 m f=2.15 m 30° 60° B d f 0.75 mProblem Statement Based on Problem 5-74 from the textbook. The bend rod is supported at A, B, and C by smooth journal bearings. Determine the components of reaction at the bearings if the rod is subjected to the force F. The bearings ar ein proper alignment and exert only force reactions on the rod. F= 815 N e= 1.95m d= 1.00 m f= 2.20 m 30° 60° F B d f 0.75 m6-103 A bar is loaded and supported as shown in Fig. End A of the bar is supported with a ball-and-socket joint and end B with a cable and a link. Determine the com- ponents of the reaction at supports A and B and the ten- sion T in the cable. 3 ft 500 Ib 8 ft 4 ft A B 750 lb 00
- 6-45 A rope and pulley system is used to support a body as shown in Fig. the ropes are continuous over the pulleys. Determine the force P required to hold the body in equilibrium if the weight W of the body is 400 lb. Each pulley is free to rotate, and P WEQUILIBRIUM PROBLEM 1 There are five cylinders inside a container as shown in the figure. Determine the normal forces at Point A and B. Figure 9: Cylinders F R = 2.5 m B 50 KN 100 KN R = 5 m H E 500 KN R = 7.5 m A 100 KN R = 5m G 500 KN R = 7.5 m -18 m- J DQI (5-22) : The uniform door has a weight W and a center of gravity at G. Determine the reactions at the hinges if the hinge at A supports only a horizontal reaction on the door, whereas the hinge at B exerts both horizontal and vertical reactions. Given: W := 100N a := 0.3m b:= 0.3m 4y - 33.3N c:= 0.05m By= 33.3N d:= 0.2m By = 100N
- For the slider-crank mechanism shown in the figure. A force F acts on the slider block in the direction shown. A torque T is applied on the crank as shown in the figure. Determine the magnitude and direction of this torque in order to keep the system in static equilibrium. (construct the free body diagram for all links and write all equilibrium Equations) OA = 4m F = 20 N B = 60° 8 30° AB = 6m %3D BF4-32. For the structure shown, draw free-body diagrams for both the beam ABC and the link BD. The members are weight- 4-34. For the pin-connected frame shown, sketch a free-body diagram of (a) the entire frame, (b) the member AC, and (c) the member DF. Neglect the weight of the members. less. F. 45° Cable Problem 4-32 A D 4-33. A 1200 Ib load is supported by a cable that runs over a small pulley at E and is anchored to a bar DA, as shown. Sketch free-body diagrams of bars EB and DA and of the pulley. The bars are pin connected at each end. Neglect the weights of the mem- bers and the pulley. Problem 4-34 4-5. A weight Wis supported by a flexible cable and an inclined bar, as shown. The bar is pin connected at a vertical wall. Sketch the free-body diagram for the bar. Cable Cable 60° 12 Wall 1200 lb C 30° W 8' Bar - 12 8 Pin Problem 4-33 Problem 4-5the pipe AB is screwed in tightly to a pipe flange attached to the wall. It has two forces acting on it as shown below. Draw a complete FBD of the bar (its loads and support reactions). FB= (2i + 6j + 3k) kNFc= (1i - 2j + 2k) kN