Register to reply

Truss - find internal force in each member

by jhox08
Tags: force, internal, member, truss
Share this thread:
jhox08
#1
Nov18-10, 03:34 PM
P: 8
1. The problem statement, all variables and given/known data

please see the image, I am supposed to find the internal force in each member of the truss and state if its in compression or tension


2. Relevant equations



3. The attempt at a solution
here is what I have so far (all in kN)....
My=40 up
Gy=80 up
Mx=0
from joint G
Tga=100 in compression
Tgh=60 in tension
from joint A
Tah=90 in compression
Tab=80 in tension
from joint H
Thb=162.5 in tension
Thj=157.5 in compression
from joint J
Tjb=20 in tension
Tjk=157.5 in tension
from joint B
Tbk=162.5 in tension
Tbc=80 in compression
from joint K
Tkl=255 in compression

I stopped here, I feel I've done something wrong, can someone let me know if I'm doing something wrong.....thanks
Attached Thumbnails
ce2pic.jpg  
Phys.Org News Partner Science news on Phys.org
Flapping baby birds give clues to origin of flight
Prions can trigger 'stuck' wine fermentations, researchers find
Socially-assistive robots help kids with autism learn by providing personalized prompts

Register to reply

Related Discussions
Internal force, members of truss Engineering, Comp Sci, & Technology Homework 5
Find axial Forces in truss Engineering, Comp Sci, & Technology Homework 3
Internal forces in a truss Engineering, Comp Sci, & Technology Homework 0
Force in each member of truss Introductory Physics Homework 0
Truss,zero force member Engineering, Comp Sci, & Technology Homework 18