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February 28, 2015

February 28, 2015

Posted by **Brandon** on Sunday, May 20, 2012 at 4:27pm.

wide by y metres high. It is clamped at its very left edge, one

third of the way down from the top, as shown. To keep the

plank level, the clamp must exert a torque of

- Physics -
**drwls**, Sunday, May 20, 2012 at 6:28pm..equal to the torque about the clamp produced by the plank's weight acting at the center of mass.

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