[填空题]
A teenager pushes tangentially on a 5;mzwq l j yigi ,)4v2+4weleqsmall hand-driven merry-go-round ak+nby8 +8 gy1d8thru nnd 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 andgkn1++nh8rb u d y8t8y 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 torque. $\approx$ $m \cdot N$ What force is required at the edge? N
Post time 2025-2-18 20:00:22
