[填空题]
A teenager pushes tangentiall8pe1a rb3hjd )y on a ecu+ ax)eqx5t0q37agu6twg, 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 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 accelerax q ,gct+ta)a3qwug07u 5 e6xetion, neglecting frictional torque. $\approx$ $m \cdot N$ What force is required at the edge? N