2. Center of mass 2.1. Determine the position of the center of mass for the homogeneous plane body in figure 2.1. Dimensions are given in centimeters. 2.2. Determine the position of the center of mass for the homogeneous plane body in figure 2.2. Dimensions are given in centimeters. 20 50 30 Figure 2.2. Figure 2.1. 30 30 10 70 20 10 X