1. Use the Method of Sections for this problem. Determine the force in members BC, BE, and EFof the truss and state if each member is in tension or compression. Set P1=10kN, P2=8kN. (6-18)[BC=4kN (C); BE=11.3kN (C); EF=12kN (T)]2 mGBE1 m2 mᎠ

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Answered: 1. Use the Method of Sections for this…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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What is the force in CF in the previous question? find force CE AND CF.
2) A cantilevered truss is loaded as shown below. Using method of sections determine the force in member BC. Leave your answer in terms of P. Specify tension (T) or compression (C). (FYI, you do not need a calculator to do this problem.) (Hint: you do not need to find the support reactions to do this problem.) Ans: FBC = (9P)/4 (T) 6 m 6 m 4 m D E 3 m 6 m 3 m
2. Use the METHOD OF SECTIONS to determine the forces in members CE, DE, and DF of the truss in Figure 2 and indicate whether each of these members is in tension or compression. As usual, show any free-body diagram(s) (including all essential components), and clearly annotate all calculations. 1.5 m 10 KN G В 3 m A C F 15 KN 3 m 3 m 3 m Figure 2. [ans.: FDE = 0; FDF = -14.14 kN (comp.); FCE= 10 kN (tens.)]
m 4: The maximum force any member can support is 24 kN in tension and 35 kN in compression, determine the largest permissible mass "m" which may be supported by the truss. Hint: use the method of joints to calculate all of the member forces in terms of the weight (say "w"); then choose the largest positive and negative member forces to determine m = w/g. There is a "rocker" support at "E"; this is the same as a roller support. A E 4 m B D 4 m 30° m
Determine the force in each member of the truss shown in (Figure 1). State if the members are in tension or compression. Take that P = 420 lb. Express your answer to three significant figures and include the appropriate units. Assume positive scalars for members in tension and negative scalars for members in compression. Given: angle to use is 36.9 degrees, FCD = 700lb FAD =-560lb Find: a) Determine the force in the member BC of the truss, and state if the member is in tension or compression. b) Determine the force in the member AC of the truss, and state if the member is in tension or compression. c) Determine the force in the member AB of the truss, and state if the member is in tension or compression.
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2. Use the Method of Sections for this problem. From drawing a FBD of the entire system and summing the moments about point A, you find that the reaction force at roller F=57.5kN 1. Determine the force in members CD, CH, and HI and state if each member is in tension or compression. (6-22)[CD=125kN (C); CH=100kN(T); HI=42.5kN (T)] -2 m 40 kN -2 m 50 kN -2 m F E ID H I C 1.5 m -30 kN 1.5 m B 40 kN 1.5 m
Problem Statement Based on Problem 6-2 from the textbook. Determine the force in each member of the truss and state if the members are in tension or compression. P1=11kN P2=6kN a=1.0m 30° a D P₁ 30⁰° a P₂
5
Using the METHOD OF JOINTS, determine the forces in members AC, BC, BD, CD and CE of the truss in Figure 2 and indicate whether each of these members is in tension or compression. As usual, show any free-body diagram(s) (including all essential components), and clearly annotate all calculations. A C E 220° 1 m 25 KN В 1 m 1 m Figure 2. [ans.: FAC = 51.29 kN (tension); Fsc = -22.73 kN (comp); FBD = -16.07 kN (comp) FCD = 16.07 kN (tensiorn); FCE = 35.22 kN (tension)]
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Determine the force in all members of the truss.

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1. Use the Method of Sections for this problem. Determine the force in members BC, BE, and EF of the truss and state if each member is in tension or compression. Set P1=10kN, P2=8kN. (6-18) [BC=4kN (C); BE=11.3kN (C); EF=12kN (T)] 2 m G B E 1 m 2 m Ꭰ