[填空题]
Calculate the moment of inertia of )u:i9ai2 wlqjc wxa19the ar p+u vwk,9he-xray of point objects shown in Fig. 8–43 abox,phu+ k-vew 9ut (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?
Post time 2025-2-18 20:00:22
