Quote:
Originally Posted by Bruce Sexauer
IMO: The mistake here is that the string in/under/emerging from the bridge has nothing to do with the geometry I described earlier. ALL that matters is the length of the base and the height of the triangle, and that is all about torque, not tension. The bridge is best viewed as a rigid mass. Yes, it is actually a little short of absolutely rigid, but that is a mere technicality in this case. Again, IMO.
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What creates the torque ?