[填空题]
A teenager pushes tangentially on a5fq 2 u70unsq cl 2jlli3c/q.b(pvv9xcb./ yp small hand-driven merry-go-round and is able.j v b 7.v9cpsuq3bu/(i2lqpfl cc/05qn2 yxlkp f xh5(;t,j7s fir(o 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 t7kjfp(;h5 , ixftsr(o he acceleration, neglecting frictional torque. $\approx$ $m \cdot N$ What force is required at the edge? N
Post time 2025-2-18 20:00:22
