[填空题]
A teenager pushes tangentially on azi8 3f( ;23q 1lewafq:h ;upcsyxi f3g small hand-drivqia1kc+)q7y(h vij,y en 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, and two children (each with a mass oq+)yc7,kjqv ( ayii h1f 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
