[填空题]
A teenager pushes tangeno6-1 czx cbj:o o,a,dvtially on a small hand-driven merjd.l0im1u 3d rq,1f5pv hq j:rry-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,13q0li. hrj :v 5upf jrdqdm1 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
