[填空题]
A teenager pushes tanqd/rocopu/x- 9f(sg d +9sr( ngentially on a small wqqv jbn7(oiei ju lnh7b) h1ia)259. hand-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, 1e(q5 i7 7)najuljo wbhi)q 2.i9vhbnand 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
