[填空题]
A teenager pushes tan: p90+caq ,;k)c0js jmlefehggen tu s*he.s 6b(mx4j* d;osb:(vjj./pe7gbjpvtially 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, neglecm7/(d e. b4j6 thjvu.sjb:gxvs ;s bpp*(jeo* ting frictional torque. $\approx$ $m \cdot N$ What force is required at the edge? N
Post time 2025-2-18 20:00:22
