問題詳情

40. A helicopter rotor blade can be considered as a long thinrod, as shown in Fig. 6. If each of the three-rotorhelicopter blades is 3.75 m long and has a mass of m =1.60 x 102 kg, which of the following value is closest tothe moment of inertia of the three rotor blades about theaxis of rotation in kg·m2?


(A) 5000
(B) 2000
(C) 1000
(D) 100
(E) 20

參考答案

答案：B
難度：計算中-1
書單：沒有書單，新增