6-79 Bar AB is used to support an 850-lb load as shownin Fig.and-socket joint. End B of the bar is supported with twocables. Determine the components of the reaction at sup-port A and the tensions in the two cables.. End A of the bar is supported with a ball-32 in.B26 in.850 lb16 in.

Answered: 6-79 Bar AB is used to support an…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The simple truss is loaded by a system of forces as shown in the figure. The truss is supported by a pin at D and a roller at C. If P = 800 lb, then the force developed in the member (AB) is. 500 lb -3 ft DI 3 ft 3 ft FL 3 ft A Select one: O a. 800 lb - Compression Ob. 1000 lb - Compression O c. 1200 lb - Tension Od. 1020 lb - Compression
In the following figure, a crank is supporting a mass m, is connected to a flexible cable, and supported on a pin at A. Check the correct option that corresponds to the reaction forces at A so that the structure remains in balance. Choose between A, B, C or D
The given truss below is loaded vertically downward with 4KN and 8KN at points Cand D, respectively, as shown. A model of the truss was made in a laboratory, and it was found out that the values of internal forces in members A-L, A-B, and B-K are as indicated in the table. If the vertical reactions at A and G are 6.667 KN and 5.333 KN respectively, complete the table and answer the succeeding questions. Approximate all answers up to three decimal places. What is the behavior of the internal reaction of Member A-L?" 8 kN 4 kN B 3 m K J 1 H 12 m, 6 @ 2 m O tension O compression O none of the choices оо
B3
The truss shown in the figure below is mounted to a wall via a pin at A and a roller at C. a) Determine the reactions at A and C.b) Using the method of joints, determine the forces in members HI, EI, ED, and DC. State whether it is in tension or compression.c) Using the method of sections, determine the forces in members AI, and IC. State whether it is in tension or compression.
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3
Homework Q1/. Three cables are joined at the junction ring C. Determine the tensions in cables AC and BC caused by the weight of the 30 kg cylinder. See figure (1). Q2/. Determine the reactions on the bent rod which is supported by a smooth surface at B and by a collar at A, which is fixed to the rod and is free to slide over the fixed inclined rod. See figure (2). Q3/. The portable floor crane in the automotive shop is lifting a 420 lb engine. For the position shown compute the magnitude of the force supported by the pin at Cand the oil pressure p against the 3.20 in-diameter piston of the hydraulic-cylinder unit AB. See figure (3). A 42 45° 100 Ib 18 15 3 ft 30 200 lb ft 30" 30 30 kg 2 ft 13 6" Fig (1) Fig (2) Fig (3)
The blade of the bulldozer shown below is rigidly attached to a linkage consisting of the arm AB, which is controlled by the hydraulic cylinder BC. There is an identical linkage on the other side of the bulldozer. Applied loads shown are for both linkages and F = 656 kN. (a) Determine the magnitude of the pin reaction at A in kN. (b) Determine the magnitude of the pin reaction at B in kN. (c) Determine the magnitude of the pin reaction at C in kN.
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6-79 Bar AB is used to support an 850-lb load as shown in Fig. and-socket joint. End B of the bar is supported with two cables. Determine the components of the reaction at sup- port A and the tensions in the two cables. . End A of the bar is supported with a ball- 32 in. B 26 in. 850 lb 16 in.