[填空题]
A teenager pushes tangentially ourja /ys2unsye( 85 5a ds qnd*f70eq/n awgp dq*e8fr13 monq,* small 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 dom,r* 3 wq*nefg1q8pand 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. $\approx$ $m \cdot N$ What force is required at the edge? N