[填空题]
A teenager pushes tangentially on a nmh l. 7rw3b5cpogr.oymp :/r4b50vbsm i:wbw 7yyloo5a7vj)i7t- g *yall hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 15 rpm in 10.0 s. Assume the merry-go-round is a uniform disk of radius 2.5 m and has a mass of 760 kg, and two children (eagyv y)b75ty7 lj-i :iw7*w aooch with a mass of 25 kg) sit opposite each other on the edge. Calculate the torque required to produce the acceleration, neglecting frictional torque. $\approx$ $m \cdot N$ What force is required at the edge? N
Post time 2025-2-18 20:00:22
