Answered: The force applied at D points upwards…

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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1) Calculate the magnitude of the vertical component of the support reaction at H on the truss and stipulate it's direction. Also calculate the length of EJ and the angle between members DE and DJ

2) Calculate the forces that develop in members DE, DJ and IJ as well as the nature of the forces, and complete the table below.

3) Calculate the forces that develop in members EG and EJ as well as the nature of the forces, and complete the table below.

The force applied at D points upwards and the forces at E and G point downwards.
Note: the figure is not necessarily to scale.
+ 3 m → < 3 m → + 3 m → + 3 m → + 3 m →< 3 m →
4.5 kN
12.5 kN
12.5 kN
E
G
H
9 m
K
I 20°

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