[问答题]
A uniform rod of mass M and le
fo 12;hjy ncuaf05m4pt9uwf 6ngth L can pivot freely (i.e., we igno
)o,ia, fj+r- t4tp)tzid t.qdre friction) about a hinge attached to a wall, as in Fig. 8–54. The rod is held horizontally and then released. At the moment of release, determine (a) the angular acceleration of the rod, and (b) the linear acceleration of the tip of the rod. Assume that the force of gra
)ptta,tifqj,.i d td4 rz)-+ovity acts at the center of mass of the rod, as shown. [Hint: See Fig. 8–21g.]
Post time 2025-2-18 20:00:22
