[填空题]
A helicopter rotor blade clfgzb sicdn xb4y.lp86j48 rds82b+ :and:+f 5iiwb)2fp r.vrnf.m n10s k)y zd be considered a long thin rod, as shown in Fig. 8–46r)is:. ) zf5nkfwmy2i0 bfvp+1d d.rn. (a) If each of the three rotor helicopter blades is 3.75 m long and has a mass of 160 kg, calculate the moment of inertia of the three rotor blades about the axis of rotation. $kg \cdot m^2$ (b) How much torque must the motor apply to bring the blades up to a speed of 5 $rev/s$ in 8.0 s? $m \cdot N$
Post time 2025-2-18 20:00:22
