Applied Statics and Strength of Materials (6th Edition)
6th Edition
ISBN: 9780133840544
Author: George F. Limbrunner, Craig D'Allaird, Leonard Spiegel
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 5.7P
Calculate the forces in all members of the trusses shown, using the method of joints.
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For the truss shown below:
1. Calculate the force in all members (Using the method of joints).
2. Indicate if members AB, BE, and DE are compression or tension members.
3. Calculate the force in member BE (Using the method of sections).
4. Compare the results for part (1) and part (2)
4 m
A
3 m
12 kN
D
B
3 m
E 3 kN
C
Problem 2 (Pro 3.25 Textbook):
Identify the zero-force members in the trusses below
1. USING THE METHOD OF JOINTS TO COMPUTE THE FORCE IN MEMBERS DF, EF, DE, CE, AND BE OF THE LOADED HOWE ROOF TRUSS
AS SHOWN IN FIG. 1
2. USING THE METHOD OF SECTIONS , DETERMINE THE FORCE IN MEMBER CE, BE, EF, BF AND AF OF LOADED CANTILEVER TRUSS AS SHOWN IN FIG. 2
3. USE METHOD OF SECTIONS TO COMPUTE FORCES ACTING IN MEMBERS BD, BE, CE, DE, AND DF OF THE LOADED PINK TRUSS AS SHOWN IN FIG. 3
4. THE X-FRAME AS SHOWN IN FIG. 4 IS HINGED AT D AND ON ROLLER AT E. DETERMINE THE RESULTANT HINGED FORCES AT A, B AND C
Chapter 5 Solutions
Applied Statics and Strength of Materials (6th Edition)
Ch. 5 - through 5.7 Calculate the forces in all members of...Ch. 5 - Calculate the forces in all members of the trusses...Ch. 5 - Calculate the forces in all members of the trusses...Ch. 5 - Calculate the forces in all members of the trusses...Ch. 5 - Calculate the forces in all members of the trusses...Ch. 5 - Calculate the forces in all members of the trusses...Ch. 5 - Calculate the forces in all members of the trusses...Ch. 5 - Determine the forces in members CD, DH, and HI for...Ch. 5 - Determine the forces in members BC, BE, and FE for...Ch. 5 - Determine the forces in members BC, CH, and CG in...
Ch. 5 - For the Howe roof truss shown, determine the...Ch. 5 - Determine the forces in members DE, CE, and BC in...Ch. 5 - Calculate the forces in members BC, BG, and FG for...Ch. 5 - Determine the forces in members CD, BD, BE, and CB...Ch. 5 - A pin-connected A-frame supports a load, as shown....Ch. 5 - Determine the pin reactions at pins A, B, and C in...Ch. 5 - Calculate the pin reactions at each of the pins in...Ch. 5 - A bracket is pin connected at points A, B, and D...Ch. 5 - A pin-connected frame is loaded, as shown....Ch. 5 - The cylinder shown has a mass of 500 kg. Determine...Ch. 5 - A simple frame is pin connected at points A, B,...Ch. 5 - Using the method of sections, determine the forces...Ch. 5 - Using the method of sections, determine the forces...Ch. 5 - through 5.31 Calculate the forces in all members...Ch. 5 - Calculate the forces in all members of the trusses...Ch. 5 - Calculate the forces in all members of the trusses...Ch. 5 - Calculate the forces in all members of the trusses...Ch. 5 - Calculate the forces in all members of the trusses...Ch. 5 - Calculate the forces in all members of the trusses...Ch. 5 - Calculate the forces in all members of the trusses...Ch. 5 - Calculate the forces in all members of the trusses...Ch. 5 - For Problems 5.32 through 5.38, calculate the...Ch. 5 - For Problem 5.32 through 5.38, Calculate the...Ch. 5 - For Problems 5.32 through 5.38, calculate the...Ch. 5 - For Problems 5.32 through 5.38, calculate the...Ch. 5 - For Problem 5.32 through 5.38 , Calculate the...Ch. 5 - For Problems 5.32 through 5.38, calculate the...Ch. 5 - For Problems 5.32 through 5.38, calculate the...Ch. 5 - A pin-connected crane framework is loaded and...Ch. 5 - Calculate the pin reactions at pins A, B, and D in...Ch. 5 - Determine the pin reactions at pins A, B, and C in...Ch. 5 - The wall bracket shown is pin-connected at points...Ch. 5 - Calculate the pin reactions at each of the pins in...Ch. 5 - The A-frame shown is pin-connected at A,B,C, and...Ch. 5 - The tongs shown are used to grip an object. For an...Ch. 5 - A toggle joint is a mechanism by which a...Ch. 5 - In the toggle joint of Problem 5.46 , assume that...Ch. 5 -
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- Problem 7 Compute the reaction forces in B and D. Hint: in this case, since you have to determine the external reactions only, you can consider the truss as a single rigid body 4.5 m 4.5 m B 2.8 m A 8.4 kN 8.4 kNarrow_forwardFor the truss loaded as shown in the figure, determine; a. the magnitude and type of forces in members AB, AC, BC, BD, BE, CE, DE, DF, DG and E by method of joints. b. the magnitude and type of forces in members FH, GH, GI, HJ, JI and IK by method of sections.arrow_forward3. In the given truss below calculate the forces in members CG and CF. Indicate if tension of compression. 2 kN 2 m B 2 m 2 m A 4 kN G 3 marrow_forward
- For the pulley shown below, the tension in the cable will be -------------- after the reduction of the both mass weights by 50 %.arrow_forwardDetermine the forces in the members AD, CD, and AC of the truss shown below by using the method of joints. State whether each member is in tension or compression. (Note: You must show all the necessary free body diagrams. All members are weightless.)arrow_forward1) A Warren bridge truss is shown to the below. (a) Determine the support reactions at A and K. (b) Determine the force in members CE, DE, and DF using method of joints. (c) Determine the force in members CE, DE, and DF using method of sections. (Note: A is a roller and K is a pin.) Ans: Ay = 8400 lb (1), K, = 0, Ky = 3600 lb (T), FCE = 8000 lb (T), FDE = 2600 lb (T), FDF = 9000 lb (C). [Intermediate answers for method of joints: FAB = 9100 lb (C), FAC = 3500 lb (T), FBC = 9100 lb (T), FBD = 7000 lb (C), FcD = 2600 lb (C)I %3D 6.25 ft 12.5 ft, 12.5 ft 12.5 ft, 12.5 ft В F H 15 ft K E 12.5 ft 12.5 ft 12.5 ft' 12.5 ft' 12.5 ft 6000 lb 6000 lbarrow_forward
- For the next Trusses, compute the axial forces in the selected sections. Compare the result with the method of joints. (Check the image for the trusses)arrow_forwardCalculate the rod forces BC, FC and FE in the truss system?arrow_forwardProblem 19 Calculate the reactions at the hinges and the tension in the cable if the door weighs 150 lbf. Assume the hinges are well-aligned and the hinge at B supports the axial thrust for the hinges. 18 in. 6 in. 22 in. A 34 in. 24 in. 22 in. 6 in. B 14 in.arrow_forward
- Determine the member forces for all members in each truss shown using the method on joints. Remember to list each member force as either tension or compression.arrow_forwardFor the truss given below, it is desired to determine the normal efforts that act on the members, so that, thus, possible constraints for its design are possible. Consider that at point A there is a second gender support; and at point D, a first-class support. As this is asked: what is the effort acting on bar AB? Is it guidance or assessment?Source: Hibbeler (2004, p. 588). HIBBELER, R. C. Resistance of Materials. 5. ed. Rio de Janeiro: Technical and Scientific Books Publisher, 2004. Question 1 options: a) A compression force of 100 kN acts on bar AB. B) A tensile effort of 100 kN acts on bar AB. c) A compressive force of 141.42 kN acts on bar AB. d) A compression force of 200 kN acts on bar AB. e) A tensile effort of 141.42 kN acts on bar AB.arrow_forwardVery urgentarrow_forward
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