1. A drawbridge is being raised by a cable EI and pin supported at A. The three joint loadings at B, C & D shown result from the weight of the roadway. Using the method of joints or method of sections, determine the forces in members GF, GC and BC. (Also state if the members are in tension or compression) H 10' G -10 20° B 20 kips 10 F 50% 20 kips 10 kips

1. A drawbridge is being raised by a cable EI and pin supported at A. The three joint loadings at B, C & D shown result from the weight of the roadway. Using the method of joints or method of sections, determine the forces in members GF, GC and BC. (Also state if the members are in tension or compression) H 10' G -10 20° B 20 kips 10 F 50% 20 kips 10 kips

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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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.

Question

1. A drawbridge is being raised by a cable EI and pin supported at A. The three joint loadings
at B, C & D shown result from the weight of the roadway. Using the method of joints or
method of sections, determine the forces in members GF, GC and BC. (Also state if the
members are in tension or compression)
H
-10'
G
20°
-10
B
20 kips
10'-
50%
20kips
8′
10kips

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Step 2: Draw FBD of given truss and calculation of tension in the cable EI

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Step 3: Using method of section and calculation of member forces

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Step 4: Calculation of member forces

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