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View Full Version : Center of gravity


Ldobry7554
May 26, 2010, 11:30 AM
A balance, the beam of which is 30 centimeters long and weighs 40 grams, is deflected through 1° by an excess of 1 milligram in one of the pans. What is the distance of the center of gravity of the beam below the central pivot?

No clue where to start with this question..