[填空题]
A teenager pushes tangentially on a smai3gn6ikbg 1r7how 8f49fj6gg1tx tf 1 ll hand-ei* ve,x :ypl/ pfz5i4ux5ey /driven merry-go-round and is able to accelerate it from rest to a frequeix/x,i 4y5:5l*e feve upz p/yncy 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, neglecting frictional torque. $\approx$ $m \cdot N$ What force is required at the edge? N
Post time 2025-2-18 20:00:22
