[填空题]
A teenager pushes tangentially on a small h)5*zz 1 4deygvyyjk8 g/0erzhahv d6ud(. oc/,zjoj8 ynd-driven merry-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, an j.,o ju8/hdzd (ovy6cd 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
