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A helicopter has a large main rotor that rotates in a

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 27DQ Chapter 10

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 27DQ

A helicopter has a large main rotor that rotates in a horizontal plane and provides lift. There is also a small rotor on the tail that rotates in a vertical plane. What is the purpose of the tail rotor? (?Hint:? If there were no tail rotor, what would happen when the pilot changed the angular speed of the main rotor?) Some helicopters have no tail rotor, but instead have two large main rotors that rotate in a horizontal plane. Why is it important that the two main rotors rotate in opposite directions?

Step-by-Step Solution:

Solution 27DQ Step 1: If the helicopter is having only the main rotor, then the helicopter will rotate in opposite direction with respect to the rotation of the main rotor. In order to prevent this rotation of the helicopter, we need an additional rotor from which we will get an external torque to balance the rotation...

Step 2 of 3

Chapter 10, Problem 27DQ is Solved
Step 3 of 3

Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

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