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- The uniform ladder of weight W is raised slowly by applying a vertical force P to the rope at A. Show that P is independent of the angle .Find the magnitude of the pin reaction at B caused by the weight W=80lb. Neglect the weights of the members.Compute the magnitude of the pin reaction at B. Neglect the weights of the structural members.
- ENGINEERING MECHANICS (DO NOT COPY ANSWER IN BARTLEBY. PLEASE RESOLVE) (UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS AND FBD LEGIBLY. NO LONG EXPLANATION NEEDED. ANSWER IN 2 DECIMAL PLACES. BOX THE FINAL ANSWER.)Stiller Düzenleme 2) A uniform brass plate with area of 18 x 18 m? has mass of 41 kg which is hold by three Üst B cables in the horizontal position as shown. Please calculate the tension in each cable. B. 6 m. 9 m. 12 m. 9 m. ANSWERS TA (N) (10 pts) Te (N) (5 pts) Tc (N) (5 pts) F8 F9 F10 F11 F12 Insert Prnts HILO 8.Q4: of a car غطاء محرك The i Jul. The bonnet is held open at an angle of 60° to the horizontal by a vertical force V applied at one end of the bonnet (shown on the diagram). The long, has a weight of 25 N and its center diagram shows the open bonnet bonnet is 0.90 m of gravity G is 0.35 m from the hinge at O. 1) On the diagram, draw and label the two forces other than V acting on the bonnet. By taking moments about A, Proof that the vertical 2) force V applied at the end of the bonnet is 9.7 N. 3) Calculate the magnitude of the force acting at the hinge ON.
- 3. A 392-N force parallel to the plane is required to support a body on an inclined plane, of height 300 m and base 400 m. If the force exerted by the plane on the body is 780N, a. what is the weight of the body? b. what is the frictional force between the body and the plane?For the frame given below, determine the following a) the tension in the cable, b) and the horizontal and vertical components of reaction of the pin A, c) internal forces, (N, V and M) at 1.5 ft right of point C (cylinder load). The pulley at D is frictionless and the cylinder weighs 80 lb. cables frichanless 2| cylinder load"A door weighing 150 lb. is supported by a cable AB and a metal post BE (via bearings C and D) as shown below. Determine the tension in cable AB and the support reactions at bearings C and D. Bearings do not exert any moment reactions and are free to move along the post BE. Enter the magnitude of tension in cable AB (in lb.) as the answer in the RESPONDUS answer box. A 2- Go W 18 in. 4 in. 10 in. EE 4 in. 8 in. 6 in. B C 24 in. D 10 in. E
- Q2: The structure is designed to support a 40 kN load vertically and 50 kN load horizontally. The structure consists of a boom AB and rod BC joined by pins at the junctions and supports. Pin at support “c" can move in slot vertically without any friction. Ignoring the weights of the components of the structure: a) Draw Free Body Diagram of the structure, b) Determine the reaction forces at the supports. - Frictionless pin in slot 600 mm B 50 kN 800 mm 40 kNThe structure shown in Fig. (a) is supported by ball-and-socket joints at O and D, and by a slider bearing at C. The two members OABC and AD, connected by a ball-and-socket joint at A, each weigh 20 N/m. (1) Draw the FBD for the entire structure, and count the unknowns. (2) Draw the FBD for each of the members, and count the total number of unknowns.Figure 1 shows a simple system to lift a heavy load. The dimensions a = 3.6 m and b = 1.2 m. The mass of the bar and counterweight is 45000 g, and their weight W acts at the point as shown. The mass of the load being lifted is 20000g (a) (b) If the load is just above the ground, determine the vertical force the person must exert to support the system. If the load is 1 m above the ground, determine the vertical force the person must exert to support the system. 25° Figure 1 20000 g W