[填空题]
A teenager pushes tangentially on a smallcw,(44e r ff :2q d8uagwjez5wuu2k/z hand-drivevg8327vxxdta* krb *k)b aq;un 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 of 25 kg) sit opposite eacx xkb;)vkt ua23r8vqg **ba7 dh 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
