|Case 1. (Balance 2 massesone on each side, see fig. 1) With the ruler balanced on the pencil, place a 4-penny stack on the 2-cm mark on the ruler. Then adjust the g B OE RS stack at the other end of the ruler. Record the actual position of the pennies as read on the ruler (as done in the fig. caption), then calculate and record the lever arms and compute the torques and find a percent difference between the clockwise (tcw) torques and counterclockwise (Tec) torques (as done in the explanation of the figure above. Record the % Difference AL IR