[填空题]
A teenager pushes tangentially on a small hand-driven merry-go-roh.e6 pg:hqto7krv v13un0 , 9 zpw;uvjljs8enz-k5u p/s o .bum6ovul/:d 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 frictional torquu:- ,;0sum zb9 pze uspn5. v6 jl/lwouko8vj/e. $\approx$ $m \cdot N$ What force is required at the edge? N
Post time 2025-2-18 20:00:22
