[填空题]
A teenager pushes tangentially on a small hand-dr57s ots 5-q*jt jx-kfey q0,shivengm 0; tzpe 7e):m;utgz 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 (each with a mass of 25 kg) sit opposite each other on the edge. Calculate the torque required to produce the acceleration, neglecting frictional torque. z)pmuett: eg07; ; mgz$\approx$ $m \cdot N$ What force is required at the edge? N