[填空题]
Calculate the moment of inertia of the abk,n2gw/vp jkc,l3dwh- h.+drrgymemkxo2dkd c; 7+)./ i qm)lay of point objects shown in Fig. 8–43 abl y)i+./7cmxg qkmdm k;)2d oeout (a) the vertical axis, $kg \cdot m^2$ (b) the horizontal axis. Assume m=1.8 kg,M=3.1kg and the objects are wired together by very light, rigid pieces of wire. The array is rectangular and is split through the middle by the horizontal axis. $kg \cdot m^2$ (c) About which axis would it be harder to accelerate this array?