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..
No clue where to start with this question..