[填空题]
A teenager pushes tangentially on a small hhim c 4dh8 fr s- ojx7,r(rdvi1k1.rpicdi,5)and-driven merry-go-round and iswh9wm g bza xasc8v7)jdm- 751 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 accelerat mxza9-w 1vwbjdgcmh57s7 a8)ion, neglecting frictional torque. $\approx$ $m \cdot N$ What force is required at the edge? N
Post time 2025-2-18 20:00:22
