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 5.30SP
Calculate the forces in all members of the trusses shown, using the method of joints.
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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
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 kN
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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- For 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_forwardFor the pulley shown below, the tension in the cable will be -------------- after the reduction of the both mass weights by 50 %.arrow_forward
- The given structure was supported by pin supports at points D and E. Member EF, DFG and BGC are connected to each other by internal hinges at B and F and a slider at G. (The slider at G allows relative horizontal motions of members BGC and DFG but constrains the vertical movement of members BGC and DFG. Calculate the support reactions due to pin supports and all internal hinge reactions. Show your calculation steps in detail and write your answers in the box below. E 1 m 3 kN/m B G 1 m F A -t-1 m-|-1 m--1 m- 2 m Darrow_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_forwardFor 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_forward
- Calculate 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_forwardDetermine 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_forward
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