ATAR Notes: Forum

VCE Stuff => VCE Science => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE Physics => Topic started by: naved_s9994 on June 06, 2009, 12:58:41 am

Title: Confirming
Post by: naved_s9994 on June 06, 2009, 12:58:41 am

Is this diagram from I tute accurate, as in , at those beams is there compression tension as mentioned

Title: Re: Confirming
Post by: /0 on June 06, 2009, 01:18:53 am

I think that's right. Just pull the arrow down and try to visualise it.

Title: Re: Confirming
Post by: naved_s9994 on June 06, 2009, 01:24:03 am

gotcha, thnx!

i acually now gget it..LOL

Title: Re: Confirming
Post by: dino on June 07, 2009, 10:51:36 am

Trusses are out of the course for 09.

Title: Re: Confirming
Post by: Mao on June 07, 2009, 12:07:30 pm

Quote from: dino on June 07, 2009, 10:51:36 am

Trusses are out of the course for 09.

really?
source?

Title: Re: Confirming
Post by: dino on June 07, 2009, 01:30:42 pm

[img]http://img.skitch.com/20090607-j3ggjf8kt97xewufknjg23du2k.preview.jpg[/img]
[http://www.vcaa.vic.edu.au/vce/studies/physics/physicsd.pdf]

I hope so, I've got a diagram on my cheatsheet just in case though.

Title: Re: Confirming
Post by: naved_s9994 on June 07, 2009, 03:48:08 pm

anyone have a diagram like this truss above, OF Struts??

Title: Re: Confirming
Post by: vamsiaus on June 07, 2009, 03:54:39 pm

what i do for these sort of tension and compressin problems is to overexaggerate the diagram to bend the centre of mass of the base down. This enables us to see which bars are in tension and compression easier.

Title: Re: Confirming
Post by: /0 on June 07, 2009, 03:56:08 pm

i think trusses weren't in the course last year either...

Title: Re: Confirming
Post by: Mao on June 07, 2009, 04:29:59 pm

Quote from: /0 on June 07, 2009, 03:56:08 pm

i think trusses weren't in the course last year either...

except somewhere about 60% of the state doing structures were stuffed over, including me... :(

Title: Re: Confirming
Post by: arthurk on June 07, 2009, 04:36:15 pm

LOL bad luck
dw ur enter score was more than enough

Title: Re: Confirming
Post by: methodsboy on June 07, 2009, 05:01:14 pm

Quote from: Mao on June 07, 2009, 04:29:59 pm

Quote from: /0 on June 07, 2009, 03:56:08 pm

i think trusses weren't in the course last year either...

so they were in the course last year and u didnt study them?


except somewhere about 60% of the state doing structures were stuffed over, including me... :(