A truss has geometry and loads as shown in the figure and parameter table. Use method of sections to find the forces in members FG, BF, BC. Follow the convention that tensile forces are positive, and compressive forces are negative.

A truss has geometry and loads as shown in the figure and parameter table. Use method of sections to find the forces in members FG, BF, BC. Follow the convention that tensile forces are positive, and compressive forces are negative.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter1: Tension, Compression, And Shear

Section: Chapter Questions

Problem 1.3.6P: Consider the plane truss with a pin support at joint 3 and a crtica1 roller support at joint 5 (see...

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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

A truss has geometry and loads as shown in the figure and parameter table. Use method of sections to find
the forces in members FG, BF, BC. Follow the convention that tensile forces are positive, and
compressive forces are negative.
A
P1
PA
L4
B
P2
G
L3
P3
L2
E,
value
units
parameter
L1
L2
L3
L4
P1
P2
P3
PA
4
3.
3
kN
8
kN
kN
8
kN
Force in member FG-
KN
Force in member BF=
kN
Force in member BC=
kN

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