- #1
adamwhite
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Homework Statement
A uniform plank of length 2.00m and mass 30.0 kg is supported by three ropes. Find the tension in each rope when a 700N person is 5m from the left end.
Here's the diagram of the problem:
http://img206.imageshack.us/img206/3752/torquere9.png
Homework Equations
[tex]\tau[/tex] = rfsin[tex]\vartheta[/tex]
The Attempt at a Solution
I'm not really sure where to start or what to do except I'm pretty sure that
[tex]\sum[/tex][tex]\tau[/tex] = 0
thanks for helping out :)
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