[填空题]
A teenager pushes tangentially on a small hand ,79 opzep7ux4ddftu2z: sx8f-driven merry-go-round and is a1kuhh kl j q4-3.7funrble 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 -n7 u1f4uk.hh3rjlkqto produce the acceleration, neglecting frictional torque. $\approx$ $m \cdot N$ What force is required at the edge? N