[填空题]
Calculate the moment of inertia of the array of 5/-,brx k0ob :cyq hropo*9 ;b4f s emrgo.ehd-kgt29wdint objects shown in Fig. 8–43 ab w-shdkg9*mofeb d ;4g2r. 9teout (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?