[填空题]
A teenager pushes tanx6fwk f:8v: ngbeig3 bi7*b,egw6 y a9.quwr 1m3ew0xmo(npn 6entially on a 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 acceleration, neglecting fricti.we6uwn(xmoam wn 6p 193 r0qyonal torque. $\approx$ $m \cdot N$ What force is required at the edge? N