[填空题]
A teenager pushes tang n /lo.ed2fn;lr( d h*kppvlsu sm;8.0entially on a small hand-driven merrej-ecs,l0gwqo4y8 is it3 .f,w0u ja+y-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) si a0 ey+sgs4wlqc83, .of 0ju,etijw-it opposite 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
