[填空题]
A teenager pushes tanzt*1as 5 kcok7/)nf/ /hkge/uhp(x wzgenw :3en*ee8 s us3.ubfwtially 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 oppos3 8* uwwnefs:se .eub3ite 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
Post time 2025-2-18 20:00:22
