3. A light bar AD is suspended from a cable BE and supports a 50 – Ib load block at C,as shown in figure 3. The ends A and D of the bar are in contact with frictionlessvertical walls. Determine the tension in cable BE and the reactions at A and D.3 in.- 5 in-– 7 in.-ED8 in.BA50 lbFigure 3

Given: Find the tension and the reactions at the contact surface.

Answered: 3. A light bar AD is suspended from a…

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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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.
3.
A straight, uniform bar weighing 60lb rests in a horizontal positon between two frictionless slopes. A concentrated load of 200lb acts at distance x from the right hand slope. Determine x and reaction forces assuming that the bar is in static equilibrium.
The given frame is subjected to the applied loads P and Q. Note that members ABC and CDE are pin-connected at C. a) Draw the FBDs of all members. b) Determine the force in each link (AF, BG, DG, and EH). Neglect the weight of the members. Parameter P = 100+ (ECD) x 0.1 Q = 100 + (BAC) x 0.1 0 = 30 x (P/Q) 2a O HE A= 1 B= 3 C= 6 D= 2 E=0 P = 100 + (062) x 0.1 = 106.2 kN Q = 100+ (316) x 0.1 = 131.6 kN 0 = 30 x (106.2/131.6) = 24.21° 8 2a
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)
2. 4.19 Compute all reactions at the base A of the traffic light standard, given that the tension in the cable BC is (a) T = 544 lb; and (b) T=0. The weight of the standard is negligible compared with the 320-lb weight of the traffic light. 4 ft B. B 1320lb 320 lb 15 t CA ote ki e a e 10 ft Ay FBD
Bar AB of Fig. with weight W and length L has a uniform cross section. Rotation of the bar is resisted by a torsional spring with spring constant 4. The spring is neutral when 0- 0°. Determine The minimum stiffness & for the spring, in terms of W and L, if the bar is to be in stable equilibrium when 0 = 0°.
4.) The uniform 4-kg rod AB is supported by a ball-and-socket joint at A and by the cord CG that is attached to the midpoint G of the rod as shown in the figure. The rod leans against a frictionless vertical wall at B. Determine the reactions at A and B and the tension in cord CG. [Answer: T = 20.8 N, Ax= -14.7 N (down), Ay= 29.4 N, Az 11.0 N, B= 29.0 N, where the positive answer indicate the reaction goes in the positive direction of the respective axis and vice versa] Hints: Note the given mass from which you need to calculate weight. IF G is is the midpoint of the rod, then the x, y, z coordinates of that point can be taken to be half the x,y,z components of the position vector FAB 150 mm, B 400 mm 0 150 mm 600 m G
Two bars connected by a sliding block are shown in the figure. If the effect of friction is not taken into account, perform the following operations: 1.1 Draw the Free Body Diagram (F.B.D.). (1.0 point) 1.2 Determine the moment Ma necessary to keep the system in equilibrium. (1.0 point) 1.3 Determine the magnitude of the reaction at support A. (1.0 point) 1.4 Determine the magnitude of the reaction at support B. (1.0 point) 1.5 Determine the magnitude of the reaction at joint C. (1.0 point)
Pls answer with complete solution. Thanksss!!
Question 2 (Problem 3-53, 14th Ed.) If the tension developed in each cable cannot exceed 300 lb, determine the largest weight of the crate that can be supported. Also, what is the force developed along strut AD? 5.5 ft 2 ft 2 ft 6 ft. 4 ft A 2.5 ft y 1
A bus shelter consists of a frame supported by a pin at A and cable DF. There are also pins at B, C, D and E. Note the snow load on top of the shelter. Assuming weightless members, determine the magnitudes of the reactions at pins A, B and C, as well as the tension Tin the rope DF. Make sure you show the magnitude and position of the equivalent point load in a FBD. Provide Given, Find, Assumptions, Problem Type/Features, FBDS, Calculations, and Conclusions in your solution. 5. kg/m 2 m 1 m 1m 3 m В 2 m A F 3 m

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