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October 21, 2025, 04:12:16 pm
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Author Topic: materials & structures itute Q13 2009  (Read 730 times)  Share 

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evaporade

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materials & structures itute Q13 2009
« on: May 06, 2009, 11:36:46 am »
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Answer?
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Re: materials & structures itute Q13 2009
« Reply #1 on: May 06, 2009, 06:53:10 pm »
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Let the plank have length . Let act at and act at . (this is arbitrary)

Taking torques:

So



Hmmm... that didn't tell us much... i'm guessing it's D but i'm not sure

I'm always suspicious of the answer D, it's always the least common answer
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