[填空题]
A teenager pushes tangentia8ztu4dwagh7g/37bip t6w b)txr he rg/0j5)flly on a small hand-d io)6z.p;fiz )6jwbv briven 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 efib6o i) j.v);bpw6zz dge. 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
