[填空题]
A teenager pushes tange uzu/rsruyl70szndf. ,o40) 8nj d7zantially on nvit5h-ea , 7fex 12x ;hdga zi-o2;aha small 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, 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, neglt1x;e5aigdxhniae f,22 ;h- o -hvz7aecting frictional torque. $\approx$ $m \cdot N$ What force is required at the edge? N
Post time 2025-2-18 20:00:22
