[填空题]
A potter is shaping a bowl on p 6 te2iac6g9w9z y nda4 r1*5c*-m8scoam lwta potter’ xqgubk*51fiqydh bl)v.. 288r4ne bomf8- wls wheel rotating at constant angular speed (Fig. 8–42). The friction force between her hands and the di*q flo8e)xv2 .. lby4 rqu8bw1-kb85mnfhg clay is 1.5 N total. (a) How large is her torque on the wheel, if the diameter of the bowl is 12 cm? $m \cdot N$ (b) How long would it take for the potter’s wheel to stop if the only torque acting on it is due to the potter’s hand? The initial angular velocity of the wheel is 1.6 rev/s, and the moment of inertia of the wheel and the bowl is 0.11 $kg \cdot m^2$. s
Post time 2025-2-18 20:00:22
