[填空题]
A teenager pushes tangentially on ab );l(ib7gjyk h7g(p 3jlbwy. small hand-driven merry-go-round aq47;tkwi m,jfqo- tb uwn*6s0nd 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 accelera;utw siqqjw-0o f 67,bk4*nmt tion, neglecting frictional torque. $\approx$ $m \cdot N$ What force is required at the edge? N
Post time 2025-2-18 20:00:22
