Problem 3: Method of SectionsInputs:●●h = 12 ftb = 7 ftF₁ = 2100 lbF₂ = 800 lb0 = 25°You must use the method of sections as described below.You will not receive credit if you use the method ofjoints!Take a horizontal section cut through the middle of thetruss and keep the top portion for your FBD. That wayyou don't have to bother with the reactions at A and D.Using the FBD of the top portion of the truss, performthe following steps:F₁Ba) Use EFX = 0 to compute BD. Indicate tension vs.compression.b) Use MD = 0 to compute AB. Indicate tension vs. compression.c) Use [MB = 0 to compute CD. Indicate tension vs. compression.d) Use [Fy = 0 to check all valuesDF₂

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oblem 3: Method of Sections puts: ● ● ● ● h = 12 ft b = 7 ft F₁ = 2100 lb F₂ = 800 lb 0 = 25° u must use the method of sections as described below. u will not receive credit if you use the method of ints! ke a horizontal section cut through the middle of the uss and keep the top portion for your FBD. That way u don't have to bother with the reactions at A and D. sing the FBD of the top portion of the truss, perform e following steps: F₁ B Use EFX = 0 to compute BD. Indicate tension vs. compression. Use EMD = 0 to compute AB. Indicate tension vs. compression. Use EMB = 0 to compute CD. Indicate tension vs. compression. Use ΣFy = 0 to check all values b D F₂

oblem 3: Method of Sections puts: ● ● ● ● h = 12 ft b = 7 ft F₁ = 2100 lb F₂ = 800 lb 0 = 25° u must use the method of sections as described below. u will not receive credit if you use the method of ints! ke a horizontal section cut through the middle of the uss and keep the top portion for your FBD. That way u don't have to bother with the reactions at A and D. sing the FBD of the top portion of the truss, perform e following steps: F₁ B Use EFX = 0 to compute BD. Indicate tension vs. compression. Use EMD = 0 to compute AB. Indicate tension vs. compression. Use EMB = 0 to compute CD. Indicate tension vs. compression. Use ΣFy = 0 to check all values b D F₂

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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