[填空题]
Calculate the moment of infjvv6b+ cu1qe)2lybck 3l +9c ers7vk q,/e2liytia of the array of point objects shown in Fig. 8–43ilvy es,/k 7q2 about
(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?
