試題詳解

7. What is the moment of inertia related to central axis A of a uniform solid pyramid of mass M and height h, with a square bottom of side L, as shown in figure 2.
(A) 0.4MI³/h；
(B) 0.2MLh；
(C)0.1ML²,
(D) 0.1MLh；
(E) 0.2ML².