As shown, a truss is loaded by the forces P₁ = 491 lb and P₂ = 194 lb and has the dimension a = 9.50 ft. P₁ H P₂ to B с a/2 ** D ** a/2 Determine FBC, the magnitude of the force in member BC, using the method of sections. Assume for your calculations that each member is in tension, and include in your response the sign of each force that you obtain by applying this assumption. Express your answer numerically in pounds to three significant figures.

As shown, a truss is loaded by the forces P₁ = 491 lb and P₂ = 194 lb and has the dimension a = 9.50 ft. P₁ H P₂ to B с a/2 D a/2 Determine FBC, the magnitude of the force in member BC, using the method of sections. Assume for your calculations that each member is in tension, and include in your response the sign of each force that you obtain by applying this assumption. Express your answer numerically in pounds to three significant figures.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter10: Virtual Work And Potential Energy

Section: Chapter Questions

Problem 10.51P: The spring attached to the homogenous bar of weight W is undeformed when =0. Determine the smallest...

See similar textbooks

Similar questions

The homogeneous plate of weight W is supported by a ball-and-socket joint at D and three wires. Draw the FBD of the plate and count the unknowns.
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 .
The bar ABC is supported by three identical, ideal springs. Note that the springs are always vertical because the collars to which they are attached are free to slide on the horizontal rail. Find the angle at equilibrium if W = kL. Neglect the weight of the bar.
Repeat Prob. 4.152 assuming that the 400-kN force is applied at O instead of L.
The homogeneous plate of weight W is suspended from two cables. Determine the force P that is necessary to keep the plate in the position shown.
A 200 lb rock is being lifted by a pry bar. Determine the force “P” required to lift the rock into the position show.
Statics, Find the force in members CD, CF, and FG of the truss and indicate whether the member is in Tension or Compression, given:P = 220 lbs, L1 = 4 ft, L2 = 6 ft(Use positive values to indicate Tension and negative values to indicate Compression)
A block that has a weight Wa = 100 N is placed on a rough inclined plane, as shown in the figure. Block A is attached to block B by means of a flexible, inextensible cable with a non-compressible mass, which passes through a smooth pulley with a non-compressible mass; for such conditions determine the interval of values of the weight Wb for which the system will remain in equilibrium. Consider mE = 0.25
An athlete of 60 kg and 1.70 m tall performs the ring exercise called "the Christ", in which he keeps his body immobile with his arms extended horizontally as shown in Fig.-Prob.17(a). The angle with the vertical of the cords from which the rings hang is theta = 10. (a) Determine the tension T in the cords holding the rings. (b) Considering each arm of the athlete as a rigid horizontal bar subjected to the forces indicated in Fig.-Prob.17(b), calculate the value of the components RX and RY, the value of the reaction “R” and of the beta angle.- W is the weight of the arm, applied in the middle of its length.- R is the reaction at the shoulder joint O.- RX and RY are the horizontal and vertical components respectively of the reactionapplied at the shoulder joint O.- Note: Consider that the mass of each arm of the athlete is 3% of the total mass, and thatthe length of the arm is equal to 35% of its height. Fig.-Prob.17(a): Man performing the position of "The Christ"Fig.-Prob.17(b):…
For the log brace shown, select the set of 3 Free Body Diagrams that would be used to solve for the tension in the rope EF given the weight of the log. Assume the ground and log are frictionless. 4 ft A 1.25 ft 25 ft 1.5 ft 3 ft G H O B 2.5 ft 1 ft ***select 3****
Ancient pyramid builders are balancinga uniform rectangular stoneslab of weight w, tipped at anangle u above the horizontal, usinga rope (Fig.). The rope isheld by five workers who share theforce equally. (a) If u = 20.0°, whatforce does each worker exert on therope? (b) As u increases, does eachworker have to exert more or lessforce than in part (a), assuming theydo not change the angle of the rope? Why? (c) At what angle do theworkers need to exert no force to balance the slab? What happens if uexceeds this value?
Statics, Find the force in member BC, BE, and EF of the truss and state if the members are in Tension or Compression, given :P1 = 95 kN, P2=75 kN, P3=85 kN, L1=3 m, L2=5 m(Use positive values to indicate Tension and negative values to indicate Compression)