EP ENGR.MECH.-MOD.MASTERING ACCESS
15th Edition
ISBN: 9780134867267
Author: HIBBELER
Publisher: PEARSON CO
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Question
Chapter 6, Problem 39P
To determine
The force in members FE, FB, and BC.
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Calculate the forces in members BC, BE, and EF. Solve for each force from an equilibrium equation which contains that force as the only
unknown. The forces are positive if in tension, negative if in compression.
3.5 m
BC=
Answers:
BE =
A 3.5 m
EF=
G
i
i
i
B
3.5 m
3.5 m
C
2.1 m
E
3.5 m
KN
KN
27.0 KN
kN
D
1. Find the support reactions at A and C. Using method of joints,
determine the force in each member of the three-bar truss shown to
3 m
the right. Specify tension or compression for each member force.
(Note: joint A is a pin and joint C is a roller.)
Ans: Ar = 48 kN →, Ay = 84 kN 1, Cx = 48 kN+, FAB = 52 kN (T),
FAC = 64 kN (T), FBC = 80 kN (C)
1.25 m
%3D
%3D
%3D
4 m
84 kN
Calculate the forces in members BC, BE, and EF. Solve for each force
from an equilibrium equation which contains that force as the only
unknown. The forces are positive if in tension, negative if in
compression.
5.0 m
b
BC=
Answers:
BE=
A 5.0 m
EF=
G
i
i
i
B 5.0 m
5.0 m
C
3.4 m
E
18.0 KN
5.0 m
kN
kN
KN
D
Chapter 6 Solutions
EP ENGR.MECH.-MOD.MASTERING ACCESS
Ch. 6 - Determine the force in each member of the truss....Ch. 6 - Determine the force in each member of the truss....Ch. 6 - Determine the force in each member of the truss....Ch. 6 - Determine the greatest load P that can be applied...Ch. 6 - Identify the zero-force members in the truss....Ch. 6 - Determine the force in each member of the truss....Ch. 6 - Determine the force in each member of the truss...Ch. 6 - Determine the force in each member of the truss...Ch. 6 - Determine the force in each member of the truss...Ch. 6 - Determine the force in each member of the truss in...
Ch. 6 - Members AB and BC can each support a maximum...Ch. 6 - Members AB and BC can each support a maximum...Ch. 6 - Determine the force in each member of the truss....Ch. 6 - If the maximum force that any member can support...Ch. 6 - Determine the force in each member of the truss...Ch. 6 - Determine the force in each member of the truss...Ch. 6 - Prob. 22PCh. 6 - Determine the force in members BC, CF, and FE....Ch. 6 - Determine the force in members LK, KC, and CD of...Ch. 6 - Determine the force in members KJ, KD, and CD of...Ch. 6 - Determine the force in members EF, CF, and BC of...Ch. 6 - Determine the force in members DC, HC, and HI of...Ch. 6 - Determine the force in members ED, EH, and GH of...Ch. 6 - Determine the force in members HG, HE and DE of...Ch. 6 - Determine the force in members CD, HI, and CH of...Ch. 6 - Prob. 39PCh. 6 - Determine the force in members CD, CF, and CG and...Ch. 6 - Determine the force developed in members FE, EB,...Ch. 6 - Determine the force in members CD, CJ, GJ, and CG...Ch. 6 - Prob. 48PCh. 6 - Determine the force in members HI, FI, and EF of...Ch. 6 - Determine the force P needed to hold the 60-lb...Ch. 6 - Determine the horizontal and vertical components...Ch. 6 - If a 100-N force is applied to the handles of the...Ch. 6 - Determine the normal force that the 100-lb plate A...Ch. 6 - Determine the force P needed to lift the load....Ch. 6 - Prob. 19FPCh. 6 - Prob. 20FPCh. 6 - Determine the components of reaction at A and C....Ch. 6 - Determine the components of reaction at C. Prob....Ch. 6 - Determine the components of reaction at E. Prob....Ch. 6 - Determine the components of reaction at D and the...Ch. 6 - Determine the force P required to hold the 100-lb...Ch. 6 - Determine the horizontal and vertical components...Ch. 6 - The bridge frame consists of three segments which...Ch. 6 - Determine the reactions at supports A and B. Prob....Ch. 6 - Determine the horizontal and vertical components...Ch. 6 - The compound beam is pin supported at B and...Ch. 6 - When a force of 2 lb is applied to the handles of...Ch. 6 - The hoist supports the 125-kg engine. Determine...Ch. 6 - Prob. 88PCh. 6 - Determine the horizontal and vertical components...Ch. 6 - The pipe cutter is clamped around the pipe P. If...Ch. 6 - Five coins are stacked in the smooth plastic...Ch. 6 - The nail cutter consists of the handle and the two...Ch. 6 - A man having a weight of 175 lb attempts to hold...Ch. 6 - Prob. 97PCh. 6 - If a force of F = 350 N is applied to the handle...Ch. 6 - Prob. 106PCh. 6 - If a force of F = 50 lb is applied to the pads at...Ch. 6 - The spring has an unstretched length of 0.3 m....Ch. 6 - The spring has an unstretched length of 0.3 m....Ch. 6 - The piston C moves vertically between the two...Ch. 6 - Prob. 113PCh. 6 - The platform scale consists of a combination of...Ch. 6 - The three pin-connected members shown in the top...Ch. 6 - Determine the force in each member of the truss...Ch. 6 - Determine the force in each member of the truss...Ch. 6 - Determine the force in member GJ and GC of the...Ch. 6 - Determine the force in members GF, FB, and BC of...Ch. 6 - Determine the horizontal and vertical components...Ch. 6 - Determine the horizontal and vertical components...Ch. 6 - Determine the resultant forces at pins B and C on...
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Similar questions
- 3. For the truss shown, draw the free body diagram for joints A, B, C, and D. Also, using equilibrium equations for ijust node B, find the force in member AB. 250 Ib A 30° 8 ft В 6 ft 6 ftarrow_forwardThe hinge shown is the type used on the doors of some automobiles. If a torsion spring at F applies the constant couple C0=20lbft to member ABF, calculate the force P required to hold the door open in the position shown.arrow_forwardCalculate the forces in members BC, BE, and EF. Solve for each force from an equilibrium equation which contains that force as the only unknown. The forces are positive if in tension, negative if in compression.arrow_forward
- 4. Determine the force in member GF, GD, and CD of the truss.arrow_forwardMETHOD OF SECTIONS 2. Find the force in members BC, BE and AE of the given truss. State whether each member is in tension or compression. Solve also for the components of the reactions at the supports. 3 m 5 m 300 kN B E 400 KN -3 m- 3 m--- AUTarrow_forwardF1 d F2 E F3 a= 2.9m, b = 2.2m, c = 4.5m, d= 1.2m F=120N, F,= 2400N, 0, = 35°, F;= 500N. For the truss as shown and the loading indicated. 1. Use the method of joints to find the forces in AB and AG. Show the free body diagram for the joint: Olncluded in manual solution ONot made The force in member AB is: N (Tension:+, Compression: -1 The force in member AG is: N [Tension:+, Compression: -) 2. Find the force in members BC, BE, EF using the method of section. Show the free body diagram with required dimensioris and inclinations: Olncluded in manual solution ONot made The force in member EF: N [Tension:+, Compression: -] The force in member BC: N [Tension:+, Compression: -) The force in member BE: N (Tension:+, Compression: -] (Answer upto 1 decimal place for all values)arrow_forward
- answer is B=14.528lb D= 14.58lb F= 3lb, but I need help to get to them 1. For the frame below a. Use a free body of the full structure to find the reactions at Pin A and Roller B. b. Determine the magnitude of the forces on pins B, D, and F. Show your ree oeY diagrams. 30 in-lb 10 lb 6" 7" 4" 3" 4" 3" 1. 1.25"arrow_forwardProblem 3: Consider the truss shown. a. Find the support reactions at A and D. Indicate the direction of the forces acting on the truss b. Find the forces in members DH, DE and HI using the method of joints. State whether they are in tension (T) or compression (C). 50 N 2m 2m 2m H 1.5 m 40 N- 1.5 m F E B 1.5 marrow_forwardCalculate the forces in members BC, BE, and EF. Solve for each force from an equilibrium equation which contains that force as the only unknown. Modification: Change load to 8.9 kN, length of members AG and BF to 4m. Use the method of sections 14 kN A 3 m В 3 m C 3 m 2 m 3 m 3 m E G Farrow_forward
- For number 1 and 2. Use the method of joints to determine the force in each member of the roof truss shown. State whether each member is in tension or compression. 6 m--6 m-t- 6m- 1.2 kNarrow_forwardFor the truss loaded below, find the force in member KJ, KD, and CD using method of sections. State whether the members are in tension or compression. 4. K Summary: 3 m Force (kN) Member KJ B C E F KD CD -2 m--2 m--2 m--2 m--2 m-2 m- 20 kN 30 kN 40 kNarrow_forwardCalculate the forces in members BC, BE, and EF. Solve for each force from an equilibrium equation which contains that force as the only unknown. The forces are positive if in tension, negative if in compression.arrow_forward
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