[填空题]
A teenager pushes tag7evp n9x9t 5cngentially on a small hand-driven ggl wf zoxd3(4byyo6v7jk33 3merry-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, negl7yolg4jxf3bgd y(z3 o6 w33vkecting frictional torque. $\approx$ $m \cdot N$ What force is required at the edge? N