Q.1. Use the method of joints to determine the forces in members AD, AB, AC, BC, and CD of the planar truss given in the figure, which is kept in static equilibrium by a pin at D and a roller at E. Also state whether each truss member is in tension or compression. 3 ft →→ 9 ft D -3 ft- 3 kip A بر I 7 ft 680 lb B E

Q.1. Use the method of joints to determine the forces in members AD, AB, AC, BC, and CD of the planar truss given in the figure, which is kept in static equilibrium by a pin at D and a roller at E. Also state whether each truss member is in tension or compression. 3 ft →→ 9 ft D -3 ft- 3 kip A بر I 7 ft 680 lb B E

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter4: Coplanar Equilibrium Analysis

Section: Chapter Questions

Problem 4.125P: The figure shows a three-pin arch. Determine the horizontal component of the pin reaction at A...

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Concept explainers

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

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Q.1. Use the method of joints to determine the forces in members AD, AB, AC, BC, and CD of
the planar truss given in the figure, which is kept in static equilibrium by a pin at D and a
roller at E. Also state whether each truss member is in tension or compression.
9 ft
D
3 ft → 7 ft
3 kip A
I
C
3 ft →
680 lb
B
E
do

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PROBLEM 1: Truss Analysis For the given truss a. Use the method of joints to find the forces in members EG and DG. If the force in HG is 30 kN, C, what is P? b. Use the method of sections to find the forces in members IJ, BJ, and BN. Indicate whether the forces are in tension or in compression. 35 kN 1 4 m ↓ N 48° M c 4m 4m 4 m -5m-+-5m --5m 15 kN D H -5m 15 kN 24° E 15 kN G → 5m
4. Use the method of joints to determine the forces in members AD, AB, AC, BC, and CD of the simple planar truss given in the figure, which is kept in static equilibrium by a pin at D and a roller at E. Also state whether each truss member is in tension or compression. 5 ft → 7 ft - 5 ft 12 ft D 3 kip A O 400 lb B E
F1 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)
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The truss system shown below is supported by a pin at A and a roller at G. Determine the value of the support reactions at A and G. Use method of joint to find forces in member GA and GF. State if these members are in tension or compression.
I need the answer as soon as possible
1) Use the method of Joints to calculate the force in each member of the loaded truss illustrated and state weather each member is in tension or compression. Also calculate the reaction forces at a and e.
3. The planar truss below is supported by a pin joint at G and a roller at E. Determine the forces in members AB and AF using Method of Joints (MOJ). Determine the forces in members CD, CE, and EF using Method of Sections (MOS). State whether each member is in tension (T) or compression (C). Please put your final answers in the table provided. 2 m A G 2 m B F 2 m 3 kN E -2 m- D. 2 kN 3 m Member AB AF CD CE EF Force (kN) T/C
evaluate all the internal forces of truss (By method of joint )
Determine all the member forces in the truss shown in the figure. Identify which members are in compression and which are in tension. The self-weight of the structure is not considered.
Calculate the force in member GH of the truss and indicate whether it is in tension or compression, using either method of joints or method of sections. Required: Draw the FBD(s) as needed for analysis-all equilibrium equations must correspond to a FBD that you have drawn. Make sure to clearly indicate which FBD your equation(s) correspond to. K J H 4 ft C - 3 ft 3 ft -- 3 ft- 3 ft-3 ft 1500 lb 1500 lb 1500 lb 1500 lb 1500 lb