Solution Found!
Solved: A helicopter rotor blade can be considered a long
Chapter 2, Problem 40P(choose chapter or problem)
(II) A helicopter rotor blade can be considered a long thin rod, as shown in Fig. If each of the three rotor helicopter blades is long and has a mass of , calculate the moment of inertia of the three rotor blades about the axis of rotation. How much torque must the motor apply to bring the blades up to a speed of in ?
Questions & Answers
QUESTION:
(II) A helicopter rotor blade can be considered a long thin rod, as shown in Fig. If each of the three rotor helicopter blades is long and has a mass of , calculate the moment of inertia of the three rotor blades about the axis of rotation. How much torque must the motor apply to bring the blades up to a speed of in ?
ANSWER:
Step 1 of 2
(a)
The moment of inertia of a thin rod, rotating about its end is