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May 23, 2015

Homework Help: Physics

Posted by Terry on Monday, June 25, 2012 at 8:02pm.

A mass of 60kg is on the edge of a plank. The Plank is 25 m long. There is a wedge 10 m from the 60 kg. Where would you position a 40kg so the plank would not rotate? If you placed the 40 kg at the end, where would you put a 10 kg mass to keep it balanced?

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