[填空题]
A teenager pushes tangentially on a small han:rly3h boory7 qk 9b66d-driven merry-go-rouw:*2y(f zy46b5yly gbpkd8 imy )meu4nd 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 oz 8yb m2 fm p)kude:yb6 yliy(wy54g4*f 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 acceleration, neglecting frictional torque. $\approx$ $m \cdot N$ What force is required at the edge? N
Post time 2025-2-18 20:00:22
